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.
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.
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>Output
3