Trigger Css Animation With Javascript

Changing CSS properties that only trigger. Animation not only helps us create a great UI but it also makes the application interesting and fun to use. The menu links is based on a list, while the drop down menus are simply regular DIV tags on page. getElementById("top-menu"); fu. Transitions vs. This demonstrates some translate/scale animations combined with opacity animations. css gives you a way to trigger animations with adding two HTML classes without having CSS knowledge – “animated” and “animation name. Even if you're looking to do a basic 2d translation, use translate3d for more power! If your animation is still flickering after switching to the transform above, you can use a few little-known CSS properties to try to fix the problem:. Panel animations. Try our examples for using the SDK: Trigger a Share dialog, Facebook Login and calling the Graph API. You can also trigger an animation effect to start when you click the shape or object that will be animated. The demo also adds classes to the images dynamically using the JavaScript. With animation, the left menu pushing the content to the right. Fully engage your target users with perfectly synchronized interactive animations. Making animation on event trigger with Javascript and CSS I am new using javascript and CSS and am currently trying to make a small animation that is triggered at event call. List With Custom Trigger. Let's see an example, which animates the background color. Start with the top-level component that hosts the view, and nest additional animations in the components that host the embedded views. css effects make use of a single element (with the help of some pseudo-elements where necessary), are self contained so you can easily copy and paste them, and come in CSS, Sass, and LESS flavours. Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle code editor. Element Queries is a polyfill adding support for element based media-queries to all new browsers (incl. It using different hover over animation and hover out animation on it, which mean the hover out animation is not a reverse version of hover over animation. The event object is accessible to all event handlers in all browsers. If you look at the markup you'll see in index dot HTML we have just a. Include a jsTree theme. As is the case with anything in CSS or JavaScript, there are other ways to accomplish the same thing. Animations can make your website stand out and give it more life. Estacion Zurqui. JavaScript animations aren't difficult to write. webkitAnimationName property in JavaScript or by setting -webkit-animation-name property through a CSS pseudoclass. Also supports 3D transforms. Demo Download Tags: toggle button Radio Input Based Toggle Button Group With Pure CSS. How to use it: Create the sidebar menu and hamburger menu trigger in the webpage. Setting the position can be selected either the right or left. If you’re looking for the proper libraries to add effects to your project, here I’ve made a list of some of the libraries that you can use to give effects based on the scroll event. Important: be sure to include Javascript files in the specific order as in the example below. Scrollable picture-story show. Bootstrap compatibility. In CSS, the animation curve is defined by using the animation-timing-function property (see Example 3):. As you know, DD Mega Menu consists of two parts- the anchor menu or links that trigger the mega menus, and the mega menu DIVs themselves. Ask Question -2. Animation libraries and technologies have made motion design more accessible than ever. The properties of the event object contain additional information about the current event. With the help of JQuery, HTML and CSS we can build few tiny applications which run completely inside the browser. jQuery & CSS3 Sliding Menu Using Navigation Drawer - Drawer. PerformClick() from your code. The approach is similar to CSS-based animations (where there is a shared CSS class that is referenced in our HTML code) but in addition we need to register the JavaScript animation on the module. This demonstrates some translate/scale animations combined with opacity animations. Animation by CSS and JavaScript. # re: Using CSS Transitions to SlideUp and SlideDown @Tim - DOM changes inside of a function aren't applied visually until the function finishes execution. CSS Modal Experiment. I recently wrote a post about the lack of Javascript events for individual keyframes when using CSS3 Animations (read it here). This slide in nav menu with an off-trigger area was designed by Matthieu Bué. Instead of using rude boxes that interrupt a user's workflow, let's use a popover instead. The animationend event occurs when a CSS animation has completed. To avoid potential CSS animation glitches I had to synchronize the top and bottom level sliders by triggering the start of animation for the bottom level slider from the top level slider, and then once the bottom level slider completed its animation cycle trigger the change in the top-level slider. Now scroll down for a div that animates when it enters the viewport!. This tutorial resides in the JavaScript video index under the Animation Programming section. They two can be applied to the same item, providing hover and click events support. We know what div that the animation is applied to, and that it’s only 3 lines long. Scroll Trigger Add scroll based animations to your site with ease. js for positioning. HOW IS THE BROWSER GENERATING PIXELS FROM YOUR CODE?. A jQuery plugin, (and now a Zepto plugin,) jPlayer allows you to rapidly weave cross platform audio and video into your web pages. CSS3 Transitions optimized for mobile performance. Take a look at the following screenshot about how different browsers deal with the upload button. We will need to change how our spritesheet works in order to handle multiple animations from a single spritesheet. All you need to do is add the stylesheet to your website and apply the premade CSS classes to the elements you want animated. The following CSS will make the span the meat of the hamburger and the before and after pseudo-elements will serve as the buns. So in your example: document. Use the transition() function to animate between states. Licensed under both MIT and GPL licenses. We’re going to implement this using HTML, CSS and jQuery in less than 100 lines (not compressed code). cd-nav-trigger); when the navigation is open, we use the. animateOut: CSS classes to be applied when the elements is scrolled out of view. OK, now running the "relayout test", the one that changes the geometry of the body. pin an element starting at a specific scroll position – either indefinitely or for a limited amount of scroll progress (sticky elements). To avoid potential CSS animation glitches I had to synchronize the top and bottom level sliders by triggering the start of animation for the bottom level slider from the top level slider, and then once the bottom level slider completed its animation cycle trigger the change in the top-level slider. pop or tooltip. The cssSandpaper JavaScript library looks at the stylesheets in an HTML document and, where possible, smooths out the browser differences between CSS3 properties like transform, opacity, box-shadow and others. The marquee-text allows developers to easily create text that continuously scrolls horizontally from right to left, like a ticker tape. Video: Transform Rotate Image Spin Smooth Animation Tutorial. 2 application. CSS Animations from calling custom JavaScript functions to defining custom offsets and classes. Effects – Learn how to animate the HTML elements. Adding the Animate. However, if you want to have fun doing things “the pure CSS way”, then you might have found this article useful. Make them fade, slide or set up any other effect with custom CSS properties. I recently wrote a post about the lack of Javascript events for individual keyframes when using CSS3 Animations (read it here). js for animating, be sure to include the library in your code before including SlickNav. If you find this lesson useful, we have many more exercises that are sure to please you. Bootstrap compatibility. Since the image remains the same between animations, we will divide our spritesheet into two functions: one for the image and one for each animation from the spritesheet. How to Trigger CSS3 Transitions on Click using :target. This is true for both CSS- and JavaScript-based animations, and the overhead of layout or paint will likely dwarf any work associated with CSS or JavaScript execution, rendering the question moot. If you're looking for the proper libraries to add effects to your project, here I've made a list of some of the libraries that you can use to give effects based on the scroll event. Let's explore those topics in greater detail. Scroll Lock is a jQuery plugin that fully addresses the issue of locking mouse wheel scroll inside a given container, preventing it from propagating to parent element. In this article, you’ll learn how CSS Transitions work, and how to make animations with it. We’re excited to see Mozilla have now shipped their implementation of element. Two of the more popular website animation libraries are Animate. Bootstrap is an open source toolkit for developing with HTML, CSS, and JS. In this tutorial, we will create a JavaScript project on photo gallery with the help of all the concepts we’ve learned so far. js implements card filpping animation with jquery, javascript, css3 and html5. Working with CSS3, Animation and Transition Effects. All you need to do is add the stylesheet to your website and apply the premade CSS classes to the elements you want animated. JavaScript Animations. Power up your website with Countdown Plus – Time Counter Pack! Countdown Plus – Time Counter Pack is a beautifuly animated contdowns collection with flexible functionality. Again, we set. Many jQuery plugins are available to implementing a popup on the web page. An Angular Component that create JavaScript & CSS timeline-based animation with Scene. This example uses the :target selector, a healthy dose of CSS3 transitions and the general sibling combinator to create a modern user interface. The cssSandpaper JavaScript library looks at the stylesheets in an HTML document and, where possible, smooths out the browser differences between CSS3 properties like transform, opacity, box-shadow and others. It all starts with the animation property on an element. Attach a file by drag & drop or click to. The above HTML and CSS are visually represented in the following CodePen. Changing CSS classes using JavaScript not only helps us to manage the state of a component, but also gives us further control over animations beyond CSS animations and transitions. Instead, as with CSS, we should use triggers to tell the script where to deploy the behavior. By using the function trigger inside the array which is assigned to that property we’re defining animations which are used if the changeState trigger is activated (each time the currentState. This will trigger all of the animations at the same time and will allow the animation to be controlled by the user. Canvas is a new element in HTML5, which provides APIs that allow you to dynamically generate and render graphics, charts, images, and animation. from - The starting CSS styles (a key/value object) that will be applied at the start of the animation. With the help of JQuery, HTML and CSS we can build few tiny applications which run completely inside the browser. HTML CSS JavaScript Behavior. This makes it easy for us to modify it or change the div as we see fit, and not have to worry about changing a div in JavaScript as well as the CSS and HTML. JavaScript Animations. Adding style. A pure JavaScript/CSS based hamburger navigation that allows you to toggle an off-screen sidebar menu when you click on the hamburger trigger. 0 responses · color animation transition rgb 1 response · css transition pseudo-elements javascript. Created: Sept 1st, 16'. Creating a simple page transition using CSS and JavaScript. Conditionally load Javascript based on media query Best practice for a long time has been to load your javascript at the end of the document to improve website performance, however in todays world of mobile devices we need an even faster solution. js), just a copy of the text (or inner HTML) of the HTML element is inserted into the tooltip. nav-is-visible class to animate its height (or width, for the. If you want to be a web developer, learn JavaScript. Every time a phone thumbnail is selected, the state changes and the. A presentation created with Slides. Whether Javascript animations should be used. This section defines a profile for Cascading Style Sheets (CSS) intended to be used for styling of XHTML Content Documents. Here's a good resource http://css-tricks. An Angular Component that create JavaScript & CSS timeline-based animation with Scene. The properties of the event object contain additional information about the current event. Unfortunately, with CSS there’s no way to perform a callback when an animation is complete. Every time a phone thumbnail is selected, the state changes and the. CSS transitions are one tool we are given to manipulate elements on state changes or mouse events, and when combines with transform, can resize, rotate, skew or flip elements to create a variety of interactions and effects. animate based on scroll position – either trigger an animation or synchronize it to the scrollbar movement (like a playback scrub control). Here are tips to help you decide which to use: Use CSS when you have smaller, self-contained states for UI elements. css animations. Facebook - Instagram Ads | Venomedya - Digital Workshop. Quick demo on how to trigger a svg animation using a html button and some JS Pen Settings. These effects can be chained together or triggered in response to other events in the document. With 60fps on mobile always your goal, it makes sense to never step outside of what browsers know how to efficiently display. For the user, it could be easy to use jQuery method to perform and combine the animations. Van Delay Coffee is a project I created for a fictional wholesale coffee business. to the trigger button. Still not convinced that GSAP is better suited for professional animators? I'm very interested to see how this animation can be built more effectively. This will remove the animation assigned to that element. The Web Animations API provides powerful primitives to describe imperative animations from JavaScript - but what does that mean? Find out about the resources available to you, including Google's demos and codelabs. CSS: Animation Using CSS Transforms Tweet 1 Share 0 Tweets 40 Comments. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. css I’ll show you different ways to animate your web content. start - The method to start the animation. As a general rule, CSS animations should be used for small, UI-related animations such as showing a tooltip. CSS Animations is a module of CSS that lets you animate the values of CSS properties over time, using keyframes. Now, this is a simple example, but still notice the length of the bars - how much more time is spent rendering than executing JavaScript. Adding animations can create an excellent user experience when applied appropriately in an application. product-preview are initially hidden ( opacity: 0 ) and then revealed using the cd-item-move-up animation. All the animations are done in CSS so the possibilities are (almost) endless. being held up until the animation completes. Triple Crown Bingo Houston Texas! That is what Kroger has done recently in and around the Houston area! Item 9 - 20 - Double or triple triple crown bingo houston texas your coupons at these Texas grocery elegantly handled gift baskets stores:!. This simple modal popup will less impact on page load time than the jQuery plugin. Events - Just like we have JavaScript events, we can set up listeners with jQuery. In this video lesson we will demonstrate how to trigger CSS3 transition animations using. Quick demo on how to trigger a svg animation using a html button and some JS Pen Settings. Daniel Eizenga Though much has changed for Burkina Faso since January 15, 2016, it hasn’t been for the better. The main reason these expressions are so costly is because they are recalculated each time the document, or part of the document, reflows. Attach the Javascript and CSS files to your document. Using pseudo selectors like :hover, :focus, :target, :checked and more you can have lots of interaction with zero js code. There are several things you can control via JavaScript. css animations. 12 Feb 2012: Modal experiment updated for Firefox 10 which has better transform, transition and animation performance. In both situations, you must provide CSS for the positioning and width of your affixed content. 8m 49s Get SVG from Photoshop. Here are tips to help you decide which to use: Use CSS when you have smaller, self-contained states for UI elements. Animate On Scroll - Trigger CSS Animations On Scroll Online Tutorials. Ferris Wheel-style Rotating Menu with jQuery and CSS3. If you're looking for explanations of the basics, workarounds for common problems, best practices, and how-tos, you're in the right place!. JavaScript animations aren't difficult to write. Get the same benefits as BEM or SMACSS, but without the tedium. It is a highly flexible tool, built upon the foundations of progressive enhancement, that adds all of these advanced features to any HTML table. OK, now running the "relayout test", the one that changes the geometry of the body. To make multiple selection work, you have to make a few changes to both the HTML and the JavaScript code. To avoid potential CSS animation glitches I had to synchronize the top and bottom level sliders by triggering the start of animation for the bottom level slider from the top level slider, and then once the bottom level slider completed its animation cycle trigger the change in the top-level slider. How to Trigger CSS3 Transitions on Click using :target. css3In('someClass', { AnimationEnd:function() { // Do Something after animation } }); from display block to display none i use another jQuery function that does basicly the same:. Great for letting visitors preview from many images then select the image of his choice to view on the same page. Of course, that’s just one way to do it. webkitAnimationName property in JavaScript or by setting -webkit-animation-name property through a CSS pseudoclass. By default, you can use it to trigger animate. Whether you're building highly interactive web applications or you just need to add a date picker to a form control, jQuery UI is the perfect choice. The simplest JavaScript trigger is the id attribute:. Thanks-Amit Gajjar. css; use JavaScript to directly manipulate the DOM during transition hooks. Here's a link to our CSS classes which are taught by a live instructor: https://www. Of course, some people feel animation belongs in JavaScript, not CSS. Created: Jan 4th, 17' CSS3 transitions make it easy to animate between CSS property changes. Why "hold up the show" when you can trigger numerous requests at once and then handle them when each is ready? Promises are becoming a big part of the JavaScript world. We used CSS animations over. How to Create an Image Mouse Rollover with JavaScript. We'll be focusing on the pieces of the. Control CSS animation with JavaScript. Control CSS animation with JavaScript. Load animation with HTML and CSS. Facebook - Instagram Ads | Venomedya - Digital Workshop div that animates when it enters the viewport!. A jQuery plugin, (and now a Zepto plugin,) jPlayer allows you to rapidly weave cross platform audio and video into your web pages. To enable routing transition animation, do the following:. It depends on the feature situation in a project to make the decision on which one to use. A simple, easy-to-use vanilla JavaScript library for creating tooltips and popovers to use in web sites and apps. In older browsers you will see either no effects, or the transforms taking place without any animation. To that end, and with the dominance of small screen devices, the trend for search boxes has been to make them. Trường hợp này xảy ra cho cả CSS và Javascript animation, và dĩ nhiên là việc thực hiện layout hoặc paint như vậy sẽ làm chậm bất kỳ tác vụ nào liên quan đến thực thi CSS hay Javascript. animate() in Firefox 48 , enabling true cross-browser accelerated animations using this. Then I'm able to use any css3 Animation with keyframes on any object that has display none $('#menu'). With 60fps on mobile always your goal, it makes sense to never step outside of what browsers know how to efficiently display. One of the cool things about Articulate Storyline 3 and 360 is the option to publish only for HTML5. Creating Scroll-based Animations using jQuery and CSS3. scrollReveal. Add the classes animated and standby to the element you want to animate. css demo, and then learn how to use it to add some hop, skip, and jump to WordPress! Essential first step for WordPress animate. CSS Animations is a module of CSS that lets you animate the values of CSS properties over time, using keyframes. Waypoints - A javascript library that allows us to execute a function when we scroll to an element. product-preview are initially hidden ( opacity: 0 ) and then revealed using the cd-item-move-up animation. One thing to note is on mobile devices, users will have to tap each thumbnail to view the animation in a new window. Also supports 3D transforms. In this short tutorial, we will show how to use Angular’s Animation API to create a simple fade in and fade out effect when we route between components. Create a test case. Update! Watch the latest video and get the most up-to-date code by watching videos tagged with animation on Fireship. Border Radius. What's more, the. Read More. However, a web page using jQuery may not work in the same set of browsers if its own code takes advantage of (or falls prey to) browser-specific behaviors. css effects make use of a single element (with the help of some pseudo-elements where necessary), are self contained so you can easily copy and paste them, and come in CSS, Sass, and LESS flavours. Transitions are used everywhere on the web, popularized with the advent of Ajax, where a "spinner" was often part of the expected UI that shows up while content is being fetched. Let me know if you have any doubt. Animation libraries and technologies have made motion design more accessible than ever. The following CSS will make the span the meat of the hamburger and the before and after pseudo-elements will serve as the buns. Check out our cool CSS animation examples to see what you can create. Often in Ajax/Rich apps, JavaScript is not the bottleneck, it's the DOM access and manipulation and the rendering part. FancyBox is a tool for displaying images, html content and multi-media in a Mac-style "lightbox" that floats overtop of web page. Recently released an update of all animation , which were inserted several animated components made in small lines of CSS3 / Stylus. What about CSS? For more advanced CSS animations check out the example folder, specifically demo. A pure JavaScript/CSS based hamburger navigation that allows you to toggle an off-screen sidebar menu when you click on the hamburger trigger. As with everything, whether to use CSS or JavaScript animations, depends very much on the particulars of the animation. But you can easily change the settings to your favorite animation library. It is a highly flexible tool, built upon the foundations of progressive enhancement, that adds all of these advanced features to any HTML table. All of the animations will be written into CSS using class names, while jQuery will handle the scroll trigger. Documentation and examples for adding custom Bootstrap tooltips with CSS and JavaScript using CSS3 for animations and data-attributes for local title storage. A website design comes to life with well-executed animation. With a line or two of JavaScript, you can trigger the transition to begin by removing the hidden class from the element. The simplest JavaScript trigger is the id attribute:. product-preview are initially hidden ( opacity: 0 ) and then revealed using the cd-item-move-up animation. As is the case with anything in CSS or JavaScript, there are other ways to accomplish the same thing. Refer to jqueryFileTree. Of course, some people feel animation belongs in JavaScript, not CSS. Learn how to create a modal popup box using CSS and JavaScript. Join today to get access to thousands of courses. Animating with CSS is the simplest way to get something moving on the screen. Also remember to add whichever classes you need for your animation. One with the animation name plus the animation type, and then, other with the animation nameplus the animation type plus the sufix “active”. Attach a file by drag & drop or click to. js will automatically add/remove CSS classes at appropriate times to trigger CSS transitions or animations for you, and you can also provide JavaScript hook functions to perform custom DOM manipulations during the transition. We're going to implement this using HTML, CSS and jQuery in less than 100 lines (not compressed code). It's exactly what we need when it comes to responsive Web Components. Much like before — when we used a CSS class to drive the animation — this time the animation will occur when the CSS class itself changes. Learn software, creative, and business skills to achieve your personal and professional goals. Plugin animation framework allows you to easily implement and customise animation effects for your menus. Every time a phone thumbnail is selected, the state changes and the. This leads into another reason, that is, we have cleaner code. Blinking and flashing animation can be problematic for people with cognitive concerns such as Attention Deficit Hyperactivity Disorder (ADHD). Created: Jan 4th, 17' CSS3 transitions make it easy to animate between CSS property changes. To use the click function, include the link reference into it. The CSS3 Animation Cheat Sheet uses CSS3 @keyframes and works on all the latest browsers (that's IE 10). Accessibility concerns. Problems with CSS Transitions you have no life cycle methods to trigger the fade-in animation when a component is first mounted as new objects. JavaScript animations aren't difficult to write. jQuery is constantly tested with all of its supported browsers via unit tests. Using Waypoints. Using CSS Animations [css-animations-1]. Quick demo on how to trigger a svg animation using a html button and some JS Pen Settings. Both pseudo elements will use the same animation (glitch), duration (. In this article, we will. Both Chrome and Firefox developer tools enable you to see and tweak your keyframe animations, and slow them down, as well as track their performance. These include everything from background-color and letter-spacing to text-shadow and min-height. Hello i'm trying to figure out how to trigger a css3 animation with javascript, for. Get the most out of this course Get acquainted with animation for the web Use CSS transitions for simple animations Use pseudo-selectors to trigger CSS transitions Apply the 12 principles of animation to the web Create multi-property CSS transitions Use timing functions to create more natural animations Quiz: Have you built a strong foundation in CSS animations?. That strong resistance is likely to emerge from the trade union movement that wields huge influence in the ANC. Have you seen those beautiful CSS Animations on popular sites? Animated effects like sliding content, fade in feature boxes, bouncing images, etc. SVG CSS animation not working through img tag Posted file reporter's testcase without all the javascript We trigger SMIL or CSS animation of this wrapped SVG. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. But in your test Firefox only starts the animation on mouseover while Chrome starts it earlier. Video: Trigger CSS Transitions to Control Animations. Panel animations. Maria Antonietta Perna presents tips for optimizing JavaScript animation performance and achieving the 60fps target for smooth motion on the web. The hidden popup, correctly styled for when we make it appear. Learn how to use the JavaScript language and the ProcessingJS library to create fun drawings and animations. A Sass library for creating flexible UI transitions and animations. ready() will only run once the page Document Object Model (DOM) is ready for JavaScript code to execute. product-intro and the div. In this video lesson we will demonstrate how to trigger CSS3 transition animations using. Learn more by taking a Webucator CSS course. Pure CSS Slide-out Interface Here’s a new technique I’m trying out: a slide-out interface element using just CSS, no JavaScript. The onmouseover event calls the JavaScript function "ChangeStyle. The mechanics of the game are not so important, the aim is mainly to show how we can trigger animations using JavaScript events instead of just using the :hover event or keyframes. this method means we can create our own css animations, and do something a bit more advanced. cd-bouncy-nav-trigger element, the. Avoid JavaScript expressions in the CSS. First, we need to import some animation functions to the top of the intended component: import { trigger,state,style,transition,animate,keyframes } from '@angular/animations'; For animation to work, all of these functions with exception to keyframes is required. Unfortunately, with CSS there’s no way to perform a callback when an animation is complete. The examples on this page will work now in Firefox, Safari, Chrome, Opera and Internet Explorer 10. Use it to display information in a nice and sleek package. OK, I Understand. For the user, it could be easy to use jQuery method to perform and combine the animations. css also let’s us modify the duration of our animations and add a delay which can come in handy. Four Essential JavaScript functions to tame CSS3 Transitions and Animations. If you’re looking for the proper libraries to add effects to your project, here I’ve made a list of some of the libraries that you can use to give effects based on the scroll event. This demonstrates some translate/scale animations combined with opacity animations. JavaScript Tutorial - Trigger CSS3 Transitions Control Animations. JS animation libraries have different APIs while CSS animations are a standard that have been with us since CSS3. Fortunately, you can apply event handlers to any element to determine the. CSS3 Transitions optimized for mobile performance. The data-animation attribute declares the animate. 広島県のWebプロダクション株式会社インフォマークの研究開発ブログです。HTML5/CSS3、JavaScriptを中心に最新技術を含むアイデア作品や、日々の制作での試行錯誤をアウトプットしています。. to - The ending CSS styles (a key/value object) that will be applied across the animation via a CSS transition. My problem is these animations get triggered only once, when scrolling down. There's a lot more to learn about building web sites and applications with jQuery than can fit in API documentation. Its borders allow the slider's rail to be distinguished in high contrast mode. Suppose on click of your Button1 you want to trigger Button2 click event then Please refer this MSDN example. The Progress Bar is one of the latest components to be added to the excellent library of UI widgets and interaction helpers built on top of jQuery. JavaScript animations aren't difficult to write. fade-in class is added to the. Here’s how it works… Let’s do the feedback form as an example. Quick demo on how to trigger a svg animation using a html button and some JS Pen Settings. We are using the JavaScript function getElementById() to get a DOM object and then assigning it to a global variable imgObj. It allows not only to define media-queries based on window-size but also adds 'media-queries' functionality depending on element (any selector supported) size while not causing performance. Chrome CSS Drop Down Menu FF1+ IE5+ Opr7+ Chrome Menu is a stylish CSS and JavaScript hybrid drop down menu.