Use the jQuery prop() method to check or uncheck radio button dynamically.
<!DOCTYPE html> <html lang="en"> <head> <title>jQuery Check/Uncheck Radio Button</title> <script src="https://code.jquery.com/jquery-1.12.4.min.js"></script> <script> $(document).ready(function(){ $(".check-male").click(function(){ $("#male").prop("checked", true); });/*from w ww . ja v a 2 s. c o m*/ $(".check-female").click(function(){ $("#female").prop("checked", true); }); }); </script> </head> <body> <label><input type="radio" name="gender" id="male"> Male</label> <label><input type="radio" name="gender" id="female"> Female</label> <button type="button" class="check-male">I'm Male</button> <button type="button" class="check-female">I'm Female</button> </body> </html>