javascript创建数组三种方式

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javascript创建数组三种方式

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第一种方式:

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var arr = new Array();arr[0] = new Array("left1","left2","left3");arr[1] = new Array("right1","right2","right3");alert(arr[1][2]);

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第二种方式:

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var arr = new Array(new Array("left1","left2","left3"),new Array("right1","right2","right3"));alert(arr[1][2]);

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第三种方式:

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var arr = [[{"value":"left1"},{"value":"left2"},{"value":"left3"}],[{"value":"right1"},{"value":"right2"},{"value":"right3"}]];alert(arr[1][2].value);

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