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var arr = [{
	flag: 2001,
	num: 3
}, {
	flag: 2004,
	num: 2
}, {
	flag: 2002,
	num: 1
}, {
	flag: 2003,
	num: 6
}];
arr2 = [{
	flag: 2001,
	num: 3
}, {
	flag: 2004,
	num: 1
}, {
	flag: 2002,
	num: 1
}, {
	flag: 2003,
	num: 6
}];
function isSameArr(arr, arr2) {
	var same = true;
	for (var i = 0; i < arr.length; i++) {
		for (var j = 0; j < arr2.length; j++) {
			if (arr2[j].flag == arr[i].flag) {
				if (arr2[j].num == arr[i].num) {
				} else {
					same = false;
				}
			}
		}
		
	}
return same;
}
alert(isSameArr(arr,arr2));
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原文地址:http://www.cnblogs.com/isylar/p/4919638.html