Merge pull request #1711 from L1Y1/master

Update 1005.K次取反后最大化的数组和.md （js版本）

problems/1005.K次取反后最大化的数组和.md

@@ -190,23 +190,23 @@ func largestSumAfterKNegations(nums []int, K int) int {
 ### Javascript 
 ```Javascript
 var largestSumAfterKNegations = function(nums, k) {
-    nums.sort((a, b) => {
-        return Math.abs(b) - Math.abs(a)
-    })
-    for(let i = 0; i < nums.length; i++) {
-        if(nums[i] < 0 && k > 0) {
-            nums[i] *= -1
-            k--
+
+    nums.sort((a,b) => Math.abs(b) - Math.abs(a))
+    
+    for(let i = 0 ;i < nums.length; i++){
+        if(nums[i] < 0 && k > 0){
+            nums[i] = - nums[i];
+            k--;
         }
     }
 
-    if(k > 0 && k % 2 === 1) {
-        nums[nums.length - 1] *= -1   
+    // 若k还大于0,则寻找最小的数进行不断取反
+    while( k > 0 ){
+        nums[nums.length-1] = - nums[nums.length-1]
+        k--;
     }
-    k = 0
-
     return nums.reduce((a, b) => {
-        return a + b
+         a + b
     })
 };