Use the jQuery prop()
method to check or uncheck a checkbox dynamically.
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery Check/Uncheck Checkbox</title> <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script> <script> $(document).ready(function(){ $(".check").click(function(){ $("#myCheck").prop("checked", true); });//from w w w. j av a 2s . co m $(".uncheck").click(function(){ $("#myCheck").prop("checked", false); }); }); </script> </head> <body> <p><input type="checkbox" id="myCheck"> Are you sure?</p> <button type="button" class="check">Yes</button> <button type="button" class="uncheck">No</button> </body> </html>