<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>call_apply</title> </head> <body> <script type="text/javascript"> function dwn(s) { document.write(s+"<br/>"); } //定义一个Point类型 function Point(x,y) { this.x = x ; this.y = y ; this.toString = function(){ return "("+[x,y]+")"; } } //定义一个Vector类型 function Vector(x,y) { this.x = x ; this.y = y ; this.toString = function(){ return "("+[x,y]+")"; } } //这个函数将传入的参数累加到独享的x,y属性上 function add(x,y) { return new this.constructor(this.x+x,this.y+y) } var p = new Point(1,2); var v = new Vector(-1,2); var p1 = add.call(p,3,4);//把add函数作为p的方法调用 var v1 =add.apply(v,[3,4]);//把add函数作为v的方法调用 dwn(p1); dwn(v1); </script> </body> </html>
原文：http://www.cnblogs.com/loewe0202/p/5648503.html