html5 input radio code example
Example 1: radio buttons
<input type="radio" id="male" name="gender" value="male">
<label for="male">Male</label><br>
<input type="radio" id="female" name="gender" value="female">
<label for="female">Female</label><br>
<input type="radio" id="other" name="gender" value="other">
<label for="other">Other</label>
Example 2: radio selected
//checked
<input type="radio" id="huey" name="drone" value="huey"
checked>