var val=$('input:radio[name="radio"]:checked').val(); if(val){ alert("被选中了") }else{ alert("未被选中") } 1. 2. 3. 4. 5. 6. 这种就是点击就会弹出被选中。 2,js获取input的值,方法比较多,我就写几种 <input type="text" name="text" id="text" value="" /> 通过id:var ...
<input type="checkbox" name="checkbox1" value="4"/>4 <input type="checkbox" name="checkbox1" value="5"/>5 <br/> 单选框: <input type="radio" id="radio1" name="radio1" value="1" checked>1 <input type="radio" id="radio1" name="radio1" value="2">2 <input type="radio" ...
<inputtype="checkbox"name="checkbox1"value="4"/>4 <inputtype="checkbox"name="checkbox1"value="5"/>5 <br/> 单选框: <inputtype="radio"id="radio1"name="radio1"value="1"checked>1 <inputtype="radio"id="radio1"name="radio1"value="2">2 <inputtype="radio"id="radio1"name="radio1...
<label><input type="radio" name="radio" value="4"/>网通</label> <input type="button" onclick="alert(getRadioValues());" value="取值方法一" /> <input type="button" onclick="foo();" value="取值方法二" /> </body> </html>...
function getRadioBoxValue(radioName) { var obj = document.getElementsByName(radioName); //这个是以标签的name来取控件 for(i = 0; i < obj.length; i++) { if(obj[i].checked) { return obj[i].value; } } return "undefined";
}}如果写在当前的单选框this.checked 直接用就行，比如：if (this.checked ) {...}参考如下：首先是单选框：<inputtype="radio"name="isAuto"value="1"/>是<inputtype="radio"name="isAuto"value="0"/>否其次Javascript代码如下：varisAutoSend=document.getElementsByName('isAuto');for(var...
radioObj.length; if(radioLength == undefined) { radioObj.checked = (radioObj.value == newValue.toString()); return; } for(var i = 0; i < radioLength; i++) { radioObj[i].checked = false; if(radioObj[i].value == newValue.toString()) { radioObj[i].checked = true; } } }...
name="q" type="radio" value="a" checked /><input name="q" type="radio" value="b" /><input name="q" type="radio" value="c" /><script>var $ = function(x){return document.getElementById(x)}var set = function(){var obj = document.getElementsByTagName('input');...
通过JavaScript访问选中的单选框的值可以使用以下方法: 1. 使用getElementById()方法获取单选框元素的引用,然后使用checked属性判断是否被选中,最后使用value属性获...
<input type="radio" name="userid" value="3">3 </form> <script language="javascript"> function usubmit(action){ var radionum = document.getElementById("userlist").userid;for(var i=0;i<radionum.length;i++){ if(radionum[i].checked){ userid = radionum[i].value } } window....