<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>無標題文檔</title></head> ? ?<body><form>請選擇你愛好:<br><input type="checkbox" name="hobby" id="hobby1"> ?音樂<input type="checkbox" name="hobby" id="hobby2"> ?登山<input type="checkbox" name="hobby" id="hobby3"> ?游泳<input type="checkbox" name="hobby" id="hobby4"> ?閱讀<input type="checkbox" name="hobby" id="hobby5"> ?打球<input type="checkbox" name="hobby" id="hobby6"> ?跑步 <br><input type="button" value = "全選" onclick = "checkall();"></form><script type="text/javascript">function checkall(){var hobby = document.getElementsByTagName("input");hobby.forEach(function(v){v.checked=true;}); //為什么chrome這句報函數forEach不存在？[1,2,3].forEach(function(v){alert(v);});//而這句就不報錯呢？}</script></body></html>
Chrome59到底支不支持forEach函數？
慕標6419154
2017-06-21 13:49:45
