JAVASCRIPT之单选按钮，双击取消选中

2024-04-27 15:16:20

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>单选按钮，双击取消选中</title><script language="javascript" type="text/Javascript"> window.onload = function() { var radios = document.getElementsByTagName("input");     for (var i = 0; i < radios.length; i++) {         if (radios[i].type == "radio") {             radios[i].ondblclick = function() {                 this.checked = false;             }         }     } } </script></head><body>A:<input type="radio" name="rad" value="0" />B:<input type="radio" name="rad" value="1" />C:<input type="radio" name="rad" value="2" />D:<input type="radio" name="rad" value="3" /></body></html>

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