Here Mudassar Ahmed Khan has explained with an example, how to check whether a CheckBox is checked (selected) or not selected (unchecked) using jQuery. Download View Demo In this article I will explain with an example, how to check whether a CheckBox is checked (selected) or not selected ...
alert($("#checkbox").attr("checked")); }); }); //注意红色位置,如果默认checkbox为checked状态,测试会发现,把勾去掉也是只会输出"checked" , 表示不理解为什么 Jquery会这样 解决方法: 还是用 document.get 获取吧: function getcheckbox(){ var test = document.getElementById("checkbox").checked;...
问题描述:使用jQuery来控制checkbox的选中状态,但是第一次点击出现选中样式,之后点击可以看到checked的属性增加成功但是并没有选 中状态。 问题代码: 1 2 3 4 5 6 7 8 9 10 functionchooseAllOrNot(id){ varchoose=$("input[name='"+id+"']").attr('checked'); if(choose=='checked'){ $("input[ty...
用法:$(”input:not(:checked)”) 返回值:集合元素 说明:去除所有与给定选择器匹配的元素,有点类似于”非”,意思是没有被选中的input(当input的type=”checkbox”) 示例 $(function(){ var css1 = {background:'yellow',color:'red'}; $("tr:odd").css(css1); }) function myclick(){ //var di...
jQuery Select All Checkboxes Script On this toggleCheckbox() jquery function call, it will check whether the top Select ALL checkbox is checked or not. Based on the status of top checkbox, the jquery script will iterate the group checkboxes by name and update their status. ...
elem.getAttribute("checked") "checked" (String) Initial state of the checkbox; does not change $(elem).attr("checked")(1.6) "checked" (String) Initial state of the checkbox; does not change $(elem).attr("checked")(1.6.1+) "checked" (String) Will change with checkbox state ...
Because:checkboxis a jQuery extension and not part of the CSS specification, queries using:checkboxcannot take advantage of the performance boost provided by the native DOMquerySelectorAll()method. For better performance in modern browsers, use[type="checkbox"]instead. ...
or setting values on multiple elements at once. It should be used when settingselectedIndex,tagName,nodeName,nodeType,ownerDocument,defaultChecked, ordefaultSelected. Since jQuery 1.6, these properties can no longer be set with the.attr()method. They do not have corresponding attributes and are only...
A quick google search found this SO question –http://stackoverflow.com/questions/8423217/jquery-checkbox-checked-state-changed-event $(".checkbox").change(function() { if(this.checked) { //Do stuff } }); July 16, 2015 at 4:59 am#205151 ...
You can check or uncheck a checkbox element or a radio button using the .prop() method: 1 2 3 4 5 // Check #x $( "#x" ).prop( "checked", true ); // Uncheck #x $( "#x" ).prop( "checked", false );How do I disable/enable a form element? How do I get the ...