Many would initially think that Javascript has something to do with Sun Microsystem’s Java but as the matter of fact, it doesn’t. Javascript was created by Netscape, they previous name was LiveWire, then LiveScript.
Javascript is a programming language that is normally used on the client side. It is easy to learn and pick up. Most Javascripts on websites serve the purpose of encouraging user experience, increase interactivity, functionality as well as web speed. DHTML (Dynamic HyperText Markup Language) is formed with the use of Javascript and CSS (Cascading Style Sheets). On the other hand AJAX (Asynchronous JavaScript and XML) is Javascript based web development technique that uses data formatted in XML.