Below is the JavaScript code which check that checkbox (id: checkBox1) is selected or not. If checkbox is selected, it will unhide the element with id msgBox and that element will appear on page. If checkbox is not selected, it will hide the same element on page. Make sure you have included JQuery on your webpage. Example demonstrates using JavaScript to be sure that a required checkbox has been checked before the form containing it can be submitted. It is possible to see if a check box has been checked or not in JavaScript. This may come in handy during form validation. I want to check if a certain check box is selected using JavaScript/jQuery. Check if a check box is checked or not (js/jquery) Free source code and tutorials for Software developers and Architects. ; Updated: 20 Sep 2013 The Javascript check all function has been tested for compatibility in ... (checkbox.checked == false) Checkbox.checked : CheckBox Form JavaScript Tutorial. ... Checkbox.checked : CheckBox Form JavaScript Tutorial. Check if a CheckBox checked: Check if a CheckBox checked : CheckBox Form JavaScript Tutorial. Check if a CheckBox checked : CheckBox Form JavaScript Tutorial. Sets or retrieves the state of a check box or a radio button. How to check a checkbox using Javascript. ASP.NET Forums on Bytes. JavaScript Kit > JavaScript Reference > Here Checkbox Object. ... radio and check boxes; ... the accessKey for the checkbox. Simple jQuery method to check if a checkbox is checked using .is(":checked") and an on() click handler. It is possible to see if a check box has been checked or not in JavaScript. This may come in handy during form validation. In this article we will see how to check and un-check checkboxes items in ASP.NET DataGrid using JavaScript. The :checked selector works for checkboxes, radio buttons, and options of select elements. I need to check the checked property of a checkbox and perform an action based on the checked property using jQuery. Assuming that the question is... How do I check a checkbox-set BY VALUE? Checkboxes () within your form can be accessed and manipulated using JavaScript via the corresponding Checkbox object.