javascriptノウハウ記事一覧
<script>let leave_flag = 0;document.body.addEventListener("mouseleave", () => {if (leave_flag) return false;alert("mouseout");leave_flag = 1;}, false);</script><解説>1. leave_flagを0で初期化 1...
<script>let leave_flag = 0;document.body.addEventListener("mouseleave", () => {if (leave_flag) return false;alert("mouseout");leave_flag = 1;}, false);</script><解説>1. leave_flagを0で初期化 1...