将数组升序或降序
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<title>将数组升序或降序</title>
<script type="text/javascript">
var Descending = function(arr) {
var i, j, temp, len = arr.length;
for (i = 0; i < len; i++) {
for (j = i + 1; j < len; j++) {
if (arr[i] < arr[j]) {
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
return arr;
}
var arr = [1,2,3,4,5,6,7,8,9];
Descending(arr);
alert(arr);
</script>
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<body>
</body>
</html>