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Update 15-内置对象 String：字符串的常见方法.md

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【纠正错误】'o' -> 'a'
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猿恋 2022-08-24 11:46:08 +08:00 committed by GitHub
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04-JavaScript基础/15-内置对象 String：字符串的常见方法.md
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@ -133,7 +133,7 @@ var num = 0;
while (index !== -1) { while (index !== -1) {
console.log(index); console.log(index);
num++; // 每打印一次，就计数一次 num++; // 每打印一次，就计数一次
index = str.indexOf('o', index + 1); index = str.indexOf('a', index + 1);
} }
console.log('a 出现的次数是: ' + num); console.log('a 出现的次数是: ' + num);