// Get the URL of the current JavaScript file
var scriptUrl = document.currentScript.src;
// Extract the query string from the URL
var queryString = scriptUrl.split('?')[1];
// Parse the query string into a URLSearchParams object
var searchParams = new URLSearchParams(queryString);
// Get the value of the 'id' parameter
var idValue = searchParams.get('id');
// Do something with the 'id' value
console.log('The id value is:', idValue);