<fieldset id="checkArray"> </fieldset> And now the jQuery: var atLeastOneIsChecked = $('#checkArray:checkbox:checked').length > 0; //there should be no space between identifier and selector // or, without the container: var atLeastOneIsChecked = $('input[name="chk[]"]:check...
I have two checkboxes. The checkBoxValidate function triggered by "onclick" assures that the two checkboxes cannot be both selected at the same time. The showMe function, also triggered by "onclick", displays a hidden div when check box is clicked. Everything just fine. The problem: When ...
1、function checked(){ var isChecked = false; $("input[@type=checkbox]").each( function(){ if($(this).attr("checked")){ isChecked=true; return; } }) if(!isChecked){ alert("请至少选择一条记录进行操作!"); } return isChecked; } 2、funcion checked2{ var isChecked=$("id").at...
DOCTYPE html>JavaScript CheckboxLet see how to know if check box is checked:Checkbox:<pid="message"style="display:none">Checkbox is Checked Now! JavaScript 代码: functioncheckfunction(){varcheck=document.getElementById('check');varmessage=document.getElementById('message');if(check.checked==true...
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 ...
if (ischecked) { $('div.active input[type="checkbox"]').each(function () { this.checked = false; }); ischecked = false; }else { $('div.active input[type="checkbox"]').each(function () { this.checked = true; }); ischecked = true; ...
checked = true // Uncheck checkbox document.querySelector('#checkbox').checked = false If you are using jQuery, the is() function can also be used to check if a checkbox is checked or not: if ($('#checkbox').is(':checked')) { console.log(`Checkbox is checked!`) } else { ...
我们可以使用JavaScript的checked属性来判断复选框是否被选中,进而获取选中的复选框。 针对单个复选框,可以通过以下代码获取其选中状态: varcheckbox=document.getElementById("myCheckbox");varisChecked=checkbox.checked;//如果被选中,isChecked的值为true,否则为false ...
In this tutorial, you will read and learn about several JavaScript and jQuery methods for checking and unchecking a checkbox. Choose the best one for you.
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...