js中数组(Array)的排序(sort)注意事
js中数组(Array)的排序(sort)注意事项
直接看代码吧,测试结果也贴在里面了
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结论:
1.数组调用sort方法后,会影响本身(而非生成新数组)
2.sort()方法默认是按字符来排序的,所以在对数字型数组排序时,不可想当然的以为会按数字大小排序!
3.要改变默认的sort行为(即按字符排序),可以自行指定排序规则函数(如本例所示)
作者:菩提树下的杨过
出处:http://yjmyzz.cnblogs.com
本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。
出处:http://yjmyzz.cnblogs.com
本文版权归作者和博客园共有,欢迎转载,但未经作者同意必须保留此段声明,且在文章页面明显位置给出原文连接,否则保留追究法律责任的权利。