题解 | #子字符串频次#
子字符串频次
https://www.nowcoder.com/practice/053caf9d4d9d449bb45a6b02a572f71b
<script>
const _searchStrIndexOf = (str, target) => {
// 补全代码
return str.split(target).length - 1
}
</script>
字符串
split(）的用法
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