What are the types of tags involved in javascript?

Javascript Object Oriented Programming Programming

Html <script> tag

a) The <script> tag is used to define a client-side script.

b) The <script> tag contains scripting statements or an external script file.

JavaScript code must be keep in script tag.Let's see the use of the tag. For suppose declare the variable outside the script tag.

Live Demo

Example

<html>
<body>
<p id="tag"></p>
var a = 1;
<script>
   var b = 2;
   var c = a + b;
   document.getElementById("tag").innerHTML = c;
</script>
</body>
</html>

Output

var a = 1

For suppose, let the variable be declared inside the script tag.

Live Demo

Example

<html>
<body>
<p id="tag"></p>
<script>
   var a = 1;
   var b = 2;
   var c = a + b;
   document.getElementById("tag").innerHTML = c;
</script>
</body>
</html>