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function makeArray( arg1, arg2 ){ 
    return [this , arg1 , arg2 ]; 
}

makeArray('one', 'two'); 
// =﹥ [ window, 'one', 'two' ] 

alert( typeof window.methodThatDoesntExist ); 
// =﹥ undefined 
alert( typeof window.makeArray); 
// =﹥ function  

window.makeArray('one', 'two'); 
// =﹥ [ window, 'one', 'two' ] 

//creating the object 
var arrayMaker = { 
    someProperty: 'some value here', 
    make: makeArray 
}; 
arrayMaker.make('one', 'two');     // =﹥ [ arrayMaker, 'one', 'two' ] 
//或者用下面的方法調(diào)用： 
arrayMaker['make']('one', 'two');  // =﹥ [ arrayMaker, 'one', 'two' ]

var arrayMaker = { 
    someProperty: 'some value here', 
    make: function (arg1, arg2) { 
        return [ this, arg1, arg2 ]; 
    } 
};  

﹤input type="button" value="Button 1" id="btn1"  /﹥ 
﹤input type="button" value="Button 2" id="btn2"  /﹥ 
﹤input type="button" value="Button 3" id="btn3"  onclick="buttonClicked();"/﹥ 
﹤ script type="text/javascript"﹥ 
function buttonClicked(){ 
    var text = (this === window) ? 'window' : this.id; 
    alert( text ); 
} 
var button1 = document.getElementById('btn1'); 
var button2 = document.getElementById('btn2'); 
button1.onclick = buttonClicked; 
button2.onclick = function(){    
buttonClicked();    
}; 
﹤ /script﹥   

button1.onclick = buttonClicked; 
button2.onclick = function(){    
buttonClicked();    
}; 

//使用jQuery 
$('#btn1').click( function() { 
    alert( this.id ); // jQuery ensures 'this' will be the button 
}); 

﹤input type="button" value="Button 1" id="btn1"  /﹥ 
﹤input type="button" value="Button 2" id="btn2"  /﹥ 
﹤input type="button" value="Button 3" id="btn3"  onclick="buttonClicked();"/﹥ 
﹤ script type="text/javascript"﹥ 
function buttonClicked(){ 
    var text = (this === window) ? 'window' : this.id; 
    alert( text ); 
} 
var button1 = document.getElementById('btn1'); 
var button2 = document.getElementById('btn2'); 
button1.onclick = buttonClicked; 
button2.onclick = function(){    
buttonClicked.call(this);  // btn2 
}; 
﹤ /script﹥ 

//聲明一個(gè)構(gòu)造器 
function ArrayMaker(arg1, arg2) { 
    this.someProperty = 'whatever'; 
    this.theArray = [ this, arg1, arg2 ]; 
} 
// 聲明實(shí)例化方法 
ArrayMaker.prototype = { 
    someMethod: function () { 
        alert( 'someMethod called'); 
    }, 
    getArray: function () { 
        return this.theArray; 
    } 
}; 
var am = new ArrayMaker( 'one', 'two' ); 
var other = new ArrayMaker( 'first', 'second' ); 
am.getArray(); 
// =﹥ [ am, 'one' , 'two' ] 
other.getArray(); 
// =﹥ [ other, 'first', 'second'  ]