innerHTML = "The radio button with value " + radio3.value + " is checked!"; } } </script> </body> </html> HTML Copy示例下面的例子与上面的例子几乎一样,但不同的是,我们是用它们的名字一次访问所有的无线电按钮。getElementByName()方法返回所有名称为radio的单选元素。之后,我们使用for-of...
3 在form表单内，创建三个类型为radio的input单选项，并且每个单选项定义一个id，用于下面通过id来获得input对象。4 在form表单内，再创建一个type为button的按钮，用于实现当点击按钮时，判断radio是否被选中。5 给button按钮绑定点击事件onclick，当点击事件时，执行IsChecked()函数来判断当前页面是否有radio被选中。...
想要兼容IE/Firefox动态创建radio button元素可以这样写: functioncreateRadio(name,id,value,isChecked) { varoRadio=null; if(isIE) { oRadio=document.createElement("<input name='"+name+(isChecked?"' checked='"+isChecked+"'/>":"' />")); oRadio.id=id; oRadio.type="radio"; oRadio.value=...
<button onclick="checkRadioButton()">Check Status</button> <script> function checkRadioButton() { var option1 = document.getElementById("option1"); var option2 = document.getElementById("option2"); var option3 = document.getElementById("option3"); if (option1.checked) { console.log(...
functionCancelSelect(obj){ if(flag==0) { lastObj=obj; flag+=1; } else { if(lastObj.id!=obj.id){ lastObj.checked=false; lastObj=obj; } } } </script> <ItemTemplate> <asp:RadioButtonid="rbSelect"onclick="javascript:CancelSelect(this);"runat="server"></asp:RadioButton> ...
click="checkSelection()">检查选中状态</button></form><script>functioncheckSelection(){constcheckbox=document.getElementById('checkbox');constisChecked=checkbox.checked;constmaleRadio=document.getElementById('male');constfemaleRadio=document.getElementById('female');constselectedGender=maleRadio.checked?
Javascript popup if checkbox is checked using radio button samueljaybrown New Here , Dec 19, 2019 Copy link to clipboard I am looking for a javascript to cause a popup info box IF a checkbox from a radio button is selected. I have a section PDF form that involves how ...
I am not sure if this is what you want. While if you just change the page properties from visible to visible but doesn't print when a radio button is checked, it allows you to continue to work with the form normally; the user can print at the end when every other portion of t...
function getCheckedRadio() { var radioButtons = document.getElementsByName("RadioButtonList1"); for (var x = 0; x < radioButtons.length; x ++) { if (radioButtons[x].checked) { alert("You checked " + radioButtons[x].id + " which has the value " + radioButtons[x].value); } }...
23 // Enable or disable the button when it is checked or unchecked 24 if (event.target.checked) { 25 actions.enable(); 26 } else { 27 actions.disable(); 28 } 29 }); 30 }, 31 32 // onClick is called when the button is selected 33 onClick() { 34 // Show a validation er...