I wrote something similar some time ago: https://github.com/hay/jsdynaload https://github.com/hay/jsdynaload Allows you to do something like this: jsDynaLoad

I wrote something similar some time ago: https://github.com/hay/jsdynaload https://github.com/hay/jsdynaload Allows you to do something like this: jsDynaLoad(['1.js', '2.js', '3.js'], function() { console.log('callback'); });