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Script src Property

Script Object Reference Script Object

Example

Get the URL of an external script file:

var x = document.getElementById("myScript").src

The result of x will be:

http://www.w3schools.com/jsref/demo_script_src.js

Try it yourself »


Definition and Usage

The src property sets or returns the value of the src attribute of a script.

The src attribute specifies the URL of an external script file.

If you want to run the same JavaScript on several pages in a web site, you should create an external JavaScript file, instead of writing the same script over and over again. Save the script file with a .js extension, and then refer to it using the src attribute in the <script> tag.

Note: The external script file cannot contain the <script> tag.

Note: Point to the external script file exactly where you would have written the script.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The src property is supported in all major browsers.


Syntax

Return the src property:

scriptObject.src

Set the src property:

scriptObject.src=URL

Property Values

Value Description
URL The URL of the external script file.

Possible values:

  • An absolute URL - points to another web site (like src="http://www.example.com/example.js")
  • A relative URL - points to a file within a web site (like src="/scripts/example.js")

Technical Details

Return Value: A String, representing the URL of the external script file. Returns the entire URL, including the protocol (like http://)


Related Pages

HTML reference: HTML <script> src attribute


Script Object Reference Script Object

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