Answers for "radio input javascript"

radio buttons html

<input type="radio" name="gender" value="male"> Male<br>
<input type="radio" name="gender" value="female"> Female<br>
<input type="radio" name="gender" value="other"> Other

radio button html js

getElementById("radio_button").checked(); //returns boolean

javascript how to select radio button

function check() {
  document.getElementById("red").checked = true;
}