leetcode-javascript

1. Largest Number

　　For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330.

 1 /**
 2  * @param {number[]} nums
 3  * @return {string}
 4  */
 5 var largestNumber = function(nums) {
 6     var str = nums.join().replace(/\,/g, ‘‘);
 7     var arr = [];
 8     for(var i = 0; i < str.length; i++) {
 9         arr.push(str.charAt(i));
10     }
11     nums = arr.sort(function(a, b) {
12         return b -a;
13     })
14     return nums.join().replace(/\,/g, ‘‘);
15 };