IE/JS: reduce on an object

Question

my javascript Application works on firefox and chrome very well. But it seams to be broken on Internet Explorer (IE 8).

I did not get an error Message on the console

Answer 1

You can also find other ES5 JavaScript array functions polyfills here:

http://tech.pro/tutorial/1834/working-with-es5-javascript-array-functions-in-modern-and-legacy-browsers#indexof