js get cheked radio button code example

Example 1: javascript uncheck radio button

document.getElementById("radioButtonID").checked = false; //uncheck a radio button
document.getElementById("radioButtonID").checked = true; //check a radio button

Example 2: js check if radio button is checked

if(document.getElementById('gender_Male').checked) {
  //Male radio button is checked
}else if(document.getElementById('gender_Female').checked) {
  //Female radio button is checked
}