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JavaScript is object-oriented programming language which is used by several websites for scripting the webpages. It is an interpreted, full-fledged programming language that enables dynamic interactivity on websites when applied to an HTML document.
Features of javascript
- All web browsers support JavaScript as they provide built-in execution environments.
- JavaScript follows the syntax and structure of the C programming language.
- It is a case-sensitive language.
- JavaScript is supportable in several operating systems including, Windows, macOS, e
- It provides good control to the users over the web browsers.
How to add Javascript?
There are two ways to add javascript in the file.
- Inline way
- external way
Inline way to add javascript
In this, we have two options – Head tag and Body tag or JavaScript can be added directly to the HTML file by writing the code inside the <script> tag . We can place the <script> tag either inside <head> or the <body> tag according to the need.
Syntax = <script type= "text/javascript"> </script>External way to add javascript
in this also, we have two option to add our code in the file- Head tag and Body tag or The other way is to write JavaScript code in another file having a .js extension and then link the file inside the <head> or <body> tag of the HTML file in which we want to add this code.
syntax= <script src = "filename.js" type = "text/javascript"></script>