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Meta refresh is a method of instructing a web browser to automatically refresh the current web page or frame after a given time interval, using an HTML meta element with the http-equiv parameter set to "refresh" and a content parameter giving the time interval in seconds.
These are typically built into browsers, in their DevTools window. Debuggers allow you to step debug (go through your JavaScript code line-by-line, hover over variables to see their values, etc.) Firefox - use Tools → JavaScript Console showing all JavaScript and CSS errors. Chrome and Edge - use Tools → Developer Tools.
If you've cleared the cache in your web browser, but are still experiencing issues, you may need to restore its original settings.This can remove adware, get rid of extensions you didn't install, and improve overall performance.
The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .
On Windows and Linux, use one of the following: Hold the Ctrl key and press the F5 key. Hold the ⇧ Shift key and press the F5 key. Hold the Ctrl key and the ⇧ Shift key, then press the R key. Hold the Ctrl key and click the Reload button on the navigation toolbar. Hold the ⇧ Shift key and click the Reload button on the navigation toolbar ...
Dynamic HTML, or DHTML, is a term which was used by some browser vendors to describe the combination of HTML, style sheets and client-side scripts (JavaScript, VBScript, or any other supported scripts) that enabled the creation of interactive and animated documents.
Microsoft's implementation of ECMAScript 5th Edition in Windows 8 Consumer Preview is called JavaScript and the corresponding Visual Studio 11 Express Beta includes a "completely new", full-featured JavaScript editor with IntelliSense enhancements for HTML5 and ECMAScript 5 syntax, "VSDOC" annotations for multiple overloads, simplified DOM ...
jQuery's syntax is designed to make it easier to navigate a document, select DOM elements, create animations, handle events, and develop Ajax applications. jQuery also provides capabilities for developers to create plug-ins on top of the JavaScript library.