Ptt 大爆卦 | indexOf JS - 前往 https://hashnode.com/post/whats-the-best-alternative-to-indexof-for-checking-existence-of-element-in-an-array-cio2qsik800hc1p53w7u8k5vu

你即將離開本站

並前往https://hashnode.com/post/whats-the-best-alternative-to-indexof-for-checking-existence-of-element-in-an-array-cio2qsik800hc1p53w7u8k5vu

What's the best alternative to indexOf() for checking existence ...

In most languages, indexOf() returns -1 if element is not found, which IMO is a bit counter productive. What's the best alternative to this ...

確定！回上一頁

查詢「indexOf JS」的人也找了：

indexof js用法

JS String indexOf

Array indexOf js