Function getScriptQueryParam

getScriptQueryParam(param, matchString?): string
Retrieve a query parameter from a script URL in the browser.

Usage:
```
const ret = getScriptQueryParam('test', 'https://example.com/example.js');
console.log(ret);
```
Output:
```
hello
```
Parameters
- param: string
  The name of the query parameter to retrieve.
- matchString: string = ''
  An optional substring to match in the script URL. If not provided, defaults to matching the ".js" substring.
Returns string
The decoded value of the specified query parameter, or an empty string if no matching parameter is found.
- Defined in index.ts:3843