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Tutorials:How jQuery Works. This is a basic tutorial, designed to help you get started using jQuery.

Tutorials:How jQuery Works

If you don't have a test page setup yet, start by creating the following HTML page: The src attribute in the <script> element must point to a copy of jQuery. Download a copy of jQuery from the Downloading jQuery page and store the jquery.js file in the same directory as your HTML file. JavaScript, JavaScript… JavaScript Examples. Void 0. Hyperlinks like this one entice visitors to click because they know clicking it will lead them to a new page.

Void 0

However, sometimes when you are making a script, you would like to add functionality to your website that lets a hyperlink to be clicked and perform a useful action like update the sums on the webpage, without loading a new page. It's these types of programming solutions that will utilize the JavaScript Void 0 programming tool. This lesson will teach you some of the reasons to use the JavaScript Void 0programming strategy in your scripts. JavaScript Garden.

Although JavaScript deals fine with the syntax of two matching curly braces for blocks, it does not support block scope; hence, all that is left in the language is function scope. function test() { // a scope for(var i = 0; i < 10; i++) { // not a scope // count } console.log(i); // 10} There are also no distinct namespaces in JavaScript, which means that everything gets defined in one globally shared namespace.

JavaScript Garden

Each time a variable is referenced, JavaScript will traverse upwards through all the scopes until it finds it. Phantomjs - headless WebKit with JavaScript API.