`ajaxaddtocart.js` was converted to strict mode [here](https://github.com/sdinteractive/SomethingDigital_AjaxAddToCart/commit/eb0b1e59c69264ce7490a13a61650f1a98c418b9) This is dangerous on a site that concatenates JS as [it will effectively set the entire concatenated script to strict mode](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode#Strict_mode_for_scripts). Setting `use strict` inside the IIFE seems like a safer choice.
ajaxaddtocart.jswas converted to strict mode hereThis is dangerous on a site that concatenates JS as it will effectively set the entire concatenated script to strict mode.
Setting
use strictinside the IIFE seems like a safer choice.