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在JS中，Object和Property的删除用法：
1 var myObject = {name:‘jimmy‘, age:12, height:123}
2 delete myObject["jimmy"];
3 delete myObject.age;
4 with (myObject) { 5 delete height; 6 } 7 8 // and an object 9 var myObject = new Object(); 10 delete myObject; 11 12 var myObj2 = {}; 13 myObj2 = null;
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原文地址：http://www.cnblogs.com/tx8899/p/4721246.html
