你即將離開本站

並前往https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charAt

String.prototype.charAt() - JavaScript - MDN Web Docs

The charAt() method of a String instance returns a new string consisting of the single UTF-16 code unit located at the specified offset into the string.

確定！ 回上一頁

查詢 「c++字串」的人也找了：