lib/object.js
function methodWrapper(fn) {
  return function() {
    var args = [].slice.call(arguments);
    args.unshift(this);
    return fn.apply(this, args);
  };
}
function methodWrapper(fn) {
  return function() {
    var args = [].slice.call(arguments);
    args.unshift(this);
    return fn.apply(this, args);
  };
}
function methodWrapper ( fn ) { return function ( ) { var args = [ ] . slice . call ( arguments ) ; args . unshift ( this ) ; return fn . apply ( this , args ) ; } ; }
Make a wrapper than passes `this` as the first argument, Python style. All extension functions that can extend native types must follow this convention.
Make a wrapper than passes this as the first argument Python style . All extension functions that can extend native types must follow this convention .