weave-scope/client/test/polyfill.js

/**
 * Function.prototype.bind polyfill used by PhantomJS
 */
if (typeof Function.prototype.bind != 'function') {
  Function.prototype.bind = function bind(obj) {
    var args = Array.prototype.slice.call(arguments, 1),
      self = this,
      nop = function() {
      },
      bound = function() {
        return self.apply(
          this instanceof nop ? this : (obj || {}), args.concat(
            Array.prototype.slice.call(arguments)
          )
        );
      };
    nop.prototype = this.prototype || {};
    bound.prototype = new nop();
    return bound;
  };
}