TrustedTypePolicy: createScript() method

Available in workers

The createScript() method of the TrustedTypePolicy interface creates a TrustedScript object using a policy created by createPolicy().

Syntax

createScript(input)
createScript(input, args)

Parameters

• input
  • : A string containing the string to be sanitized by the policy.
• args Optional
  • : Additional arguments to be passed to the function represented by TrustedTypePolicy.

Return value

A TrustedScript object.

Exceptions

• TypeError
  • : Thrown if TrustedTypePolicy does not contain a function to run on the input.

Examples

In the below example a string containing a potentially risky script is used as the input for createScript(). The policy can sanitize this script before inserting it into an injection sink that could cause it to be executed.

const sanitized = scriptPolicy.createScript("eval('2 + 2')");

Specifications

Browser compatibility