HTML <script> Tag
The <script> tag is used to define a client-side script (JavaScript).The <script> element either contains scripting statements, or it points to an external script file through the src attribute.
Attributes
| Attribute | Value | Description |
|---|---|---|
| async | async | Specifies that the script is executed asynchronously (only for external scripts) |
| charset | charset | Specifies the character encoding used in an external script file |
| defer | defer | Specifies that the script is executed when the page has finished parsing (only for external scripts) |
| src | URL | Specifies the URL of an external script file |
| type | media_type | Specifies the media type of the script |
| xml:space | preserve | Not supported in HTML5. Specifies whether whitespace in code should be preserved |
Example
<!DOCTYPE html>
<html>
<body>
<h2 id="h2"></h2>
<script>
document.getElementById("h2").innerHTML = "Hello World";
</script>
</body>
</html>