函数柯里化

function bind2(fn,content,arg){     var args = Array.prototype.slice.call(arguments,2);     return function(){          var newArgs=Array.prototype.slice.call(arguments);          var lastArgs = args.concat(newArgs);          return fn.apply(content,lastArgs);     }}var button = document.getElementsByTagName('button');EventUtil.addHandler(button[0],'click',bind2(handler.getMessage,handler));