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     douglas crockfordµÄ¶¨Ò壺JavaScript is fundamentally about objects. Arrays are objects. Functions are objects. Objects are objects. So what are objects? Objects are collections of name-value pairs. The names are strings, and the values are strings, numbers, booleans, and objects (including arrays and functions).
      var obj = new Object();
obj.val = 5;
obj.click = function(){
alert("hello");
}
//µÈ¼ÛµÄд·¨
var obj = {
val:5,
click:function(){
alert("hello");
}
}
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