JavaScript: Get Current Script Element

This is the best way to get the current script tag

document.currentScript

Return the current script element. That is, the script element the JavaScript is running from.

const xx = document.currentScript;

supported by all major browsers since 2015. (it's not supported by Internet Explorer version 11)

Alternatives for Older Browser

// get the script element, by matching the script name
const xx = document.querySelector('script[src$="my_script_name.js"]');