In other words, you can make your webpage more lively and interactive, with the help of JavaScript. JavaScript is also being used widely in game development and Mobile application development.

JavaScript was developed by Brendan Eich in 1995, which appeared in Netscape, a popular browser of that time. The language was initially called LiveScript and was later renamed JavaScript. There are many programmers who think that JavaScript and Java are the same. The syntax of JavaScript is mostly influenced by the programming language C.

Being a scripting language, JavaScript cannot run on its own. In fact, the browser is responsible for running JavaScript code. When a user requests an HTML page with JavaScript in it, the script is sent to the browser and it is up to the browser to execute it.

JavaScript will be supported. Also, JavaScript runs on any operating system including Windows, Linux or Mac. Thus, JavaScript overcomes the main disadvantages of VBScript (Now deprecated) which is limited to just IE and Windows.

Javascript offer advantages like:

  • Show dynamic content based on the user profile.
  • React to user's operations, like mouse clicks events, key presses or pointer movements.
  • Support features like auto-validated form entries and interactive drop-down menus.
  • Send requests to remote servers, Upload and download files.
  • JavaScript code can also create movement and sound
  • Ask questions to the users, Get and set cookies, show messages, switch browser tabs.
  • Allows the data on to be stored in the local storage.

It offers full integration with HTML/CSS. Simple things are done quickly without any complication or following strict rules. Supported by all major browsers and JavaScript is enabled by default.