1. 你可以使用JavaScript来获取这个复选框是否被选中: const checkbox = document.getElementById('myCheckbox'); if (checkbox.checked) { console.log('Checkbox is checked'); } else { console.log('Checkbox is not checked'); } 1. 2. 3. 4. 5. 6. 7. 监听复选框状态的变化 你也可以添加一...
checked属性是最直接、最常用的方法来判断Checkbox是否被选中。通过获取Checkbox元素,然后检查其checked属性值即可。 实际案例:基础判断 <!DOCTYPEhtml>Checkbox Checked ExampleCheck me!Check if CheckedfunctioncheckCheckbox(){varcheckbox=document.getElementById("myCheckbox");if(checkbox.checked){alert("Checkbox is ...
How to make field required with JavaScript if checkbox is checked March 13, 2015 Really simple solution that will allow you to make fields required below Fields need to be required if checked: document.getElementById("needRequired").addEventListener('change', function(){ document.getElementBy...
JS代码判断checkbox是否选中操作: functionverify(){varisCheck=$("#check").get(0).checked;//获取选中状态,返回true或者falseif(!isCheck){ document.getElementById("agreeRule").innerHTML="请同意相关条款";return; }else{//相关操作。。。}
$(function(){ $('input[type=checkbox]').iCheck({ //注册复选框 checkboxClass: 'icheckbox_minimal-green', }); $('input[type=checkbox]').on('ifChecked', function(event){ em=$(this);//alert(event.type + ' callback'); if(em.val()=="1"){ em.iCheck('uncheck'); } }); }...
checkboxs[i].checked = obj.checked; } } //验证邮政编码 function check_youbian(obj){ var reg=/^\d{6}$/; if(obj.value!=""&&!reg.test(obj.value)){ alert('邮政编码格式输入错误!'); obj.value = ""; obj.focus(); return false; ...
How do you check if an HTML form checkbox field is checked in JavaScript?Craig Buckler
我之前做过类似的,大概思路是:循环checkbox,勾选当前的复选框时,设置当前checked状态再取input的值传入数组array.push($(this).val()),取消勾选也是一样的操作,最后只是把input的值给移除就行了。 有用 回复 yiiouo 71721829 发布于 2017-04-13 更新于 2017-04-13 ...
Solved: 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 an - 10812156
Checkbox / Radio Add data-toggle="buttons" to a .btn-group containing checkbox or radio inputs to enable toggling in their respective styles. Preselected options need .active For preselected options, you must add the .active class to the input's label yourself. Visual checked state only update...