js radio button checked value code example

Example 1: get radio button value javascript

document.querySelector('input[name="rate"]:checked').value;

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
}

Example 3: javascript on click radio button get value

if (document.getElementById('r1').checked) {
  rate_value = document.getElementById('r1').value;
}