js数组排序

转载自:http://www.cnblogs.com/longze/archive/2012/11/27/2791230.html

sort()对数组排序,不开辟新的内存,对原有数组元素进行调换

1、简单数组简单排序

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var arrSimple=new Array(1,8,7,6);

arrSimple.sort();

document.writeln(arrSimple.join());

2、简单数组自定义排序

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var arrSimple2=new Array(1,8,7,6);

arrSimple2.sort(function(a,b){ return b-a});

document.writeln(arrSimple2.join());
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