js题集22

标签：题集   ret   original   gre   origin   tin   bsp   实现   wrap   

1.实现warp

function speak(name){

   return "Hello " + name;

}

speak = speak.wrap(function(original, yourName, myName){

   greeting = original(yourName);

   return greeting + ", my name is " + myName;

})

var greeting = speak("Mary", "Kate");

js题集22

标签：题集   ret   original   gre   origin   tin   bsp   实现   wrap   

原文地址：http://www.cnblogs.com/tong24/p/7305825.html