chances are the jQuery file is missing or you did not include it correctly in your HTML code. Your Web server itself will never cause jQuery to not work, because jQuery runs on your visitors ...

All you have to do is link to that code and add a few lines of JavaScript to your HTML document. If you've never used jQuery before, you may be surprised at how little code it takes to produce ...

These jQuery-like alternatives pick up where jQuery left off Simplifying tasks such as HTML document traversal ... In most cases, native JavaScript code is better than a “bloated legacy library ...