Fixed value declaration with const

Author: nhistory

coin-change/nhistory.js

@@ -8,7 +8,7 @@ var coinChange = function (coins, amount) {
   dp[0] = 0;
 
   for (let i = 0; i <= amount; i++) {
-    for (let coin of coins) {
+    for (const coin of coins) {
       if (coin <= i) dp[i] = Math.min(dp[i - coin] + 1, dp[i]);
     }
   }

maximum-product-subarray/nhistory.js

@@ -3,7 +3,7 @@ var maxProduct = function (nums) {
   let max = 1,
     min = 1;
 
-  for (let num of nums) {
+  for (const num of nums) {
     const candidates = [min * num, max * num, num];
     min = Math.min(...candidates);
     max = Math.max(...candidates);

word-break/nhistory.js

@@ -9,7 +9,7 @@ var wordBreak = function (s, wordDict) {
       return true;
     }
 
-    for (let word of wordDict) {
+    for (const word of wordDict) {
       if (s.substring(start, start + word.length) === word) {
         if (dfs(start + word.length)) {
           memo[start] = true;