Using Onload script i need to change the URL of the instance if the catalog item stored in bookmarks

[Lakshmi53]

below is the Onload script i written but not working

function onLoad() {

    // Ensure `window` is available and check the current URL

    if (typeof window !== 'undefined') {

        var url = window.location.href;

        // Check if the current page is a catalog page (adjust the identifier as needed)

        if (url.includes('sc_cat_item')) {

            // Define the new URL to redirect to

            var newUrl = url.replace(/https:\/\/[^/]+\/sc_cat_item/, 'https://dev228177.service-now.com/your_new_catalog_page');

            // Optional: Modify query parameters if needed

            var urlObj = new URL(url);

            var sysId = urlObj.searchParams.get('sys_id');

            if (sysId) {

                newUrl += (newUrl.includes('?') ? '&' : '?') + 'sys_id=' + sysId;

            }

            // Redirect to the new URL

            window.location.assign(newUrl);

        }

    }

}