日期:2014-05-16 浏览次数:20358 次
<html> <head> <title></title> <script src="JavaScript.js"></script> </head> <body> <form id="form" name="form" method="post" action="http://js.aiyiweb.com" onsubmit="return CheckForm()"> <input type="checkbox" name="love" > <input type="checkbox" name="love" > <input type="checkbox" name="love" > <input type="checkbox" name="love" > <input type="radio" value="好的" name="miaoshu" > <input type="radio" value="好的" name="miaoshu" > <input type="radio" value="好的" name="miaoshu" > <input id="txtbox" name="MyTextfield" type="text"> <input type="submit" value="提交" > </form> </body> </html>
function CheckForm() { var flag = false; var allRadio = document.form.elements["miaoshu"]; var txtBox = document.getElementById("txtBox").value; for (var i = 0; i < allRadio.length; i++) { if (allRadio[i].checked) { if (allRadio[allRadio.length - 1].checked) { if (txtBox == "") { flag = false; } else { flag = true; } } } } if (!flag) { alert("请确定输入完整"); } var cbxs = document.getElementsByName('love'); var s = 0; for (var i = 0; i < cbxs.length; i++) { if (cbxs[i].checked) { s += 1; } } if (s < 1) { alert("请确定输入完整"); flag = false; } return flag; }