Question

I use prototype.js and jquery together and I get this error message

Uncaught TypeError: Object [object Object] has no method '_reverse' (Chrome)

I called jQuery.noConflict before

I’m using jQuery.fn.reverse = [].reverse; to have reverse function on jQuery collection

Answer 1

prototype overwrites the native Array.protoype.reverse Function and saves the original in Array.prototype._reverse.

This snippet takes account of that

if (typeof []._reverse == 'undefined') {
    $.fn.reverse = Array.prototype.reverse;
} else {
    $.fn.reverse = Array.prototype._reverse;
}

---

old wrong solution

// for compatibility with prototype.js
if (![]._reverse) {
  []._reverse = [].reverse;
}
jQuery.fn.reverse = [].reverse;