From d92d7207cb8ec4d8628c41e8aaeca6145ca76823 Mon Sep 17 00:00:00 2001
From: Luo <82520819+Jerry-306@users.noreply.github.com>
Date: Sun, 17 Oct 2021 10:20:19 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AE=80=E5=8C=96=201002=20=E6=9F=A5=E6=89=BE?=
 =?UTF-8?q?=E7=9B=B8=E5=90=8C=E5=AD=97=E7=AC=A6=20JavaScript=E7=89=88?=
 =?UTF-8?q?=E6=9C=AC=E4=BB=A3=E7=A0=81?=
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对两个数组的初值写法进行简化
---
 problems/1002.查找常用字符.md | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/problems/1002.查找常用字符.md b/problems/1002.查找常用字符.md
index 09e49c4f..44a02ceb 100644
--- a/problems/1002.查找常用字符.md
+++ b/problems/1002.查找常用字符.md
@@ -224,10 +224,7 @@ javaScript
 var commonChars = function (words) {
 	let res = []
 	let size = 26
-	let firstHash = new Array(size)
-	for (let i = 0; i < size; i++) { // 初始化 hash 数组
-		firstHash[i] = 0
-	}
+	let firstHash = new Array(size).fill(0)   // 初始化 hash 数组
 
 	let a = "a".charCodeAt()
 	let firstWord = words[0]
@@ -235,21 +232,20 @@ var commonChars = function (words) {
 		let idx = firstWord[i].charCodeAt()
 		firstHash[idx - a] += 1
 	}
-
+	
+	let otherHash = new Array(size).fill(0)    // 初始化 hash 数组
 	for (let i = 1; i < words.length; i++) { // 1-n 个单词统计
-		let otherHash = new Array(size)
-		for (let i = 0; i < size; i++) { // 初始化 hash 数组
-			otherHash[i] = 0
-		}
-
 		for (let j = 0; j < words[i].length; j++) {
 			let idx = words[i][j].charCodeAt()
 			otherHash[idx - a] += 1
 		}
+		
 		for (let i = 0; i < size; i++) {
 			firstHash[i] = Math.min(firstHash[i], otherHash[i])
 		}
+		otherHash.fill(0)
 	}
+	
 	for (let i = 0; i < size; i++) {
 		while (firstHash[i] > 0) {
 			res.push(String.fromCharCode(i + a))