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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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function myConstructor(message) {
alert(message);
this.myMessage = message;
}
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myConstructor.prototype.clearMessage = function(string) {
this.myMessage += ' ' + string;
}
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var myObject = new myConstructor('Hello World!');
myObject.clearMessage(); 
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lor: #0000ff;">function MyObject1(formalParameter){
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this.testNumber = formalParameter;
}
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this.testString = formalParameter;
}
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MyObject2.prototype = new MyObject1( 8 );
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var objectRef = new MyObject2( "String_Value" );
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