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/**
* PersonÀࣺ¶¨ÒåÒ»¸öÈË£¬ÓиöÊôÐÔname£¬ºÍÒ»¸ögetName·½·¨
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function Person(){}
Person.prototype.name = "jack";
Person.prototype.getName = function() { return this.name;}

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var p1 = new Person();
var p2 = new Person();
console.log(p1.getName());//jack
console.log(p2.getName());//jack

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var ob = function(){
var obj = this;
function fn1(){
alert( obj === window );//false
alert( this === window );//ture
}
this.fn2 = function() {
fn1();
}

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[·­Òë]High Performance JavaScript(005)

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    One of the classic computer science problems is determining where data should be stored for optimal reading and writing. Where data is stored is related to how quickly it can be retrieved during code execution. This problem in JavaScri ......
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