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js 对文字排序跟对数字排序

热度:235   发布时间:2012-08-22 09:50:35.0
js 对文字排序和对数字排序

1、对文字排序

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<html>
<body>

<script type="text/javascript">

var arr = new Array(6)
arr[0] = "George"
arr[1] = "John"
arr[2] = "Thomas"
arr[3] = "James"
arr[4] = "Adrew"
arr[5] = "Martin"

document.write(arr + "<br />")
document.write(arr.sort())

</script>

</body>
</html>

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结果:

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George,John,Thomas,James,Adrew,Martin
Adrew,George,James,John,Martin,Thomas

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2、对数字进行排序

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<html>
<body>

<script type="text/javascript">

function sortNumber(a, b)
{
return a - b
}

var arr = new Array(6)
arr[0] = "10"
arr[1] = "5"
arr[2] = "40"
arr[3] = "25"
arr[4] = "1000"
arr[5] = "1"

document.write(arr + "<br />")
document.write(arr.sort(sortNumber))

</script>

</body>
</html>

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结果:

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10,5,40,25,1000,1
1,5,10,25,40,1000

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