sort只能排序字符串，如果要排數字需要添加匿名函數作爲參數
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>無標題文檔</title>
<script type="text/javascript">
var arr=[96, 8, 12, 72, 33, 118];
arr.sort(function (num1, num2){
return num1-num2;
});
alert(arr);
</script>
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