怎么把radio里被选择的值传到javascript里面？_html/css_WEB-ITnose
- WBOY原創
- 2016-06-24 12:10:051197瀏覽
<html xmlns="http://www.w3.org/1999/xhtml"><head> <title></title> <script type="text/javascript"> function che() { alert(); } </script></head><body><form name="rad" method="post" action="#"><div><p><input type="radio" value="1" name="r"/>1</p><p><input type="radio" value="2" name="r"/>2</p></div><input type="button" value="check" onclick="che()"/></form></body></html> 我想让按键被点击之后， 显示出我所选择的radio的value
回复讨论(解决方案)
<html xmlns="http://www.w3.org/1999/xhtml"><head> <title></title> <script type="text/javascript"> function che() { var rs = document.getElementsByName('r'); for (var i = 0, len = rs.length; i < len; i++) { if (rs[i].checked) { alert(rs[i].value); break; } } } </script></head><body><form name="rad" method="post" action="#"><div><p><input type="radio" value="1" name="r"/>1</p><p><input type="radio" value="2" name="r"/>2</p></div><input type="button" value="check" onclick="che()"/></form></body></html> jquery代码
<script> <br /> $("input[type=radio]").click(function(){ <br /> alert($(this).val()); <br /> }); <br /> </script>
nbsp;html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script> <br /> function che() { <br /> var list = document.forms["rad"].elements("r"); <br /> for(var i=0;i<list.length;i++){ <br /> var radio = list[i]; <br /> if(radio.checked){ <br /> alert(radio.value); <br /> } <br /> } <br /> } <br /> </script>
俺是新手，不要拍我！！嘿嘿
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