如何在Javascript中反转数组? [英] How to reverse an array in Javascript?
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问题描述
arr = ['a' ,'b','c']
puts arr.reverse
#=> ['c','b','a']
如何写一个函数(或原型如果你愿意)在Javascript?
解决方案
> arr = ['a','b','c']; arr.reverse();的console.log(ARR);
['c','b','a']
Some of you may know the method in Ruby that allows you to reverse an array:
arr = ['a', 'b', 'c']
puts arr.reverse
#=> ['c', 'b', 'a']
How would one write a function (or prototype if you wish) in Javascript?
解决方案
A quick glance at the array page in the manual shows a reverse method
> arr = ['a', 'b', 'c']; arr.reverse(); console.log(arr);
[ 'c', 'b', 'a' ]
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