TrustedTypePolicy: createScriptURL() method
Baseline
2026
Newly available
Since February 2026, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
Note: This feature is available in Web Workers.
The createScriptURL() method of the TrustedTypePolicy interface creates a TrustedScriptURL object using a policy created by TrustedTypePolicyFactory.createPolicy().
Syntax
createScriptURL(input)
createScriptURL(input, args)
Parameters
input-
A string containing the string to be sanitized by the policy.
argsOptional-
Additional arguments to be passed to the function represented by
TrustedTypePolicy.
Return value
A TrustedScriptURL object.
Exceptions
TypeError-
Thrown if
TrustedTypePolicydoes not contain a function to run on the input.
Examples
In the below example a string containing the URL to an external resource is used as the input for createScriptURL(). The policy can check that this is an allowed URL before inserting it into an injection sink that could cause this external script to be executed.
const escaped = escapeURLPolicy.createScriptURL(
"https://example.com/my-script.js",
);
Specifications
| Specification |
|---|
| Trusted Types # dom-trustedtypepolicy-createscripturl |