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Javascript Articles
Page 531 of 534
Who maintains and governs CSS?
CSS invented by Håkon Wium Lie on October 10, 1994, and maintained by a group of people within the W3C called the CSS Working Group. The CSS Working Group creates documents called specifications. When a specification has been discussed and officially ratified by W3C members, it becomes a recommendation.These ratified specifications are called recommendations because the W3C has no control over the actual implementation of the language. Independent companies and organizations create that software.
Read MoreDifference between specification and recommendation that introduced CSS
The CSS Working Group creates documents called specifications. When a specification has been discussed and officially ratified by W3C members, it becomes a recommendation.These ratified specifications are called recommendations because the W3C has no control over the actual implementation of the language. Independent companies and organizations create that software.The World Wide Web Consortium or W3C is a group that makes recommendations about how the Internet works and how it should evolve.
Read MoreSet the font variant with CSS
To set the font variant, use the font-variant property. Set the font to small-caps and normal. You can try to run the following code to set the font-variant to small-caps with CSS − This text will be rendered as small caps
Read MoreHow do I view events fired on an element in Chrome?
To view events fired on an element, follow the below steps in Google Chrome:Open Google Chrome and press F12 to open Dev Tools.Now go to Sources TabGo to Event Listener Breakpoints, on the right:Click on the events and interact with the target element.If the event will fire, then you will get a breakpoint in the debugger.
Read MorePlay infinitely looping video on-load in HTML5
The tag specifies video. Currently, there are 3 supported video formats for the element that are MP4, WebM, and Ogg. Autoplay is used to start the video when the video and page loads.The loop attribute is a boolean attribute. When present, it specifies that the video will start over again, every time it is finished.The loop attribute should do it. Your browser does not support the video element. If you have a problem with the loop attribute, listen to the videoEnd event. After that call the play() method when it fires.
Read MoreStoring Credentials in Local Storage
The Local Storage is designed for storage that spans multiple windows and lasts beyond the current session. In particular, Web applications may wish to store megabytes of user data, such as entire user-authored documents or a user's mailbox, on the client side for performance reasons.For storing credentials in local storage, on successful login, generate a completely random string unrelated to user credentials. You need to store this in the database. Do not forget to add an expiry date. Pass that string to the JavaScript to be stored in local storage.As long as the local storage credential matches the database and ...
Read MoreConfiguring any CDN to deliver only one file no matter what URL has been requested
Use any CDN to deliver your purpose. You can use CloudFlare as a reverse proxy between your users and the CDN to fulfill your purpose.You can also create a rule that redirects whatever you want to index.html. This is how you can what you want considering that CDNs are configured to serve only static existing files as you know.Content Delivery Network (CDN) puts stuff like blobs and other static content in a cache. The process involves placing the data at strategically chosen locations and caching it. As a result, it provides maximum bandwidth for its delivery to users. Let us ...
Read MoreDifference between MessageChannel and WebSockets in HTML5
Web Sockets is a next-generation bidirectional communication technology for web applications that operates over a single socket and is exposed via a JavaScript interface in HTML 5 compliant browsers. Once you get a Web Socket connection with the web server, you can send data from browser to server by calling a send() method, and receive data from server to browser by an onmessage event handler.Two way communication between the browsing contexts is called channel messaging. It is useful for communication across multiple origins.While creating messageChannel, it internally creates two ports to sending the data and forwarded to another browsing context. ...
Read MoreCan Google Analytics track interactions in an offline HTML5 app?
Google Analytics is a freemium analytic tool that provides a detailed statistics of the web traffic. It is used by more than 60% of website owners. Analytics Tools offer an insight into the performance of your website, visitors’ behavior, and data flow. These tools are inexpensive and easy to use. Sometimes, they are even free.If the application is offline, Google Analytics stores the events in an SQLite database.After storing, it waits until the user is online again to send them.It is used to collect offline latent hits. The value represents the time delta in milliseconds between when the hit occurs ...
Read MoreUsing client side XSLT transformations in HTML5
Client-side XSLTProcessor API is part of the HTML5 scripting specification, as stated below:When an XSLT transformation program is triggered by a processing instruction and the browser implements a direct-to-DOM transformation, script elements created by the XSLT processor need to be marked "parser-inserted" and run in document oThe XSLTProcessor.transformToDocument() method adds elements to a Document that does not have a browsing context, and, accordingly, any script elements they create need to have their "already started" flag set in the prepare a script algorithm and never get executed (scripting is disabled). Such script elements still need to be marked "parser-inserted", though, such ...
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