How to fix Array indexOf() in JavaScript for Internet Explorer browsers

Question

If you have worked with JavaScript at any length you are aware that Internet Explorer does not implement the ECMAScript function for Array.prototype.indexOf() [includin

Answer 1

This was my implementation. Essentially, add this before any other scripts on the page. i.e. in your master for a global solution for Internet Explorer 8. I also added in the trim function which seems to be used in allot of frameworks.