简单定义了两个labeljs如下: $(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...
DropDownList是否選定的判定: if (Form1.DropDownList1.selectedIndex==(parseInt("0"))){ alert("12555"); return false;} checkbox是否選定的判定: if (document.Form1.RadioButton1.checked==false) { alert('請選定復判結果!'); return false;} js比较文本框数据大小: var getqty =parseInt(document.Form...
function checkDate(n){ var checkedCount=0; for(var i=0;i<myForm.course.length ;i ++){ if(myForm.course[i].checked){ checkedCount++; } } if(checkedCount>n){ alert("不能选超越三门课程"); return false; } } 请选择这学期的选课(最多三门): 语文 数学 ...
转换思路,写个checkbox的change事件,获取所有选中项(checked=true),即可 title 1 2 3 //获取所有选中项 var GetSelectedItems = function() { var list = new Array; document.querySelectorAll('.radioSelect').forEach(function(item) { //如果选中,放入list if(item.checked) list.push(ite...
How do you check if an HTML form checkbox field is checked in JavaScript?Craig Buckler
1. Checking if a checkbox is checked by using isThis is actually the way I would recommend for anyone using jQuery:if( $('#el').is(':checked') ){ alert("Checkbox Is checked"); } else{ alert("Checkbox Is not checked"); } Code language: JavaScript (javascript)...
if(checkItem.controlType == "checkBox" || checkItem.controlType == "radio"){ var _obj = document.getElementsByName(checkItem.id); var objarray=_obj.length; var chestr=""; for (var k=0;k<objarray;k++){ if(_obj[k].checked == true) ...
RadioButton(单选按钮)、CheckBox(复选按钮)、ToggleButton(开关按钮)都继承自 android.widget.CompoundButton类,而CompoundButton又继承自Button类,在这个类中封装了一个 checked属性,用于判断是否被选中,这也是它与Button的不同,对其进行了扩展,这个属性在这三个控件中的用法是一样的。
通过使用jQuery的选择器和属性方法,可以获取到checkbox的选中状态。 $(document).ready(function(){// 获取checkbox1的选中状态varisChecked=$("#checkbox1").is(":checked");if(isChecked){console.log("checkbox1被选中");}else{console.log("checkbox1未被选中");}// 获取所有checkbox的选中状态$("input[...
This Javascript function will check or uncheck all the checkboxes in an HTML form.This function is specially designed for dynamic pages with varying numbers of checkboxes. Unlike other functions out there, it will work without error even if there are no checkboxes or there is only one checkbox...