html radio button checked
<input type="radio" id="huey" name="drone" value="huey"
checked>
<!-- https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/radio-->html radio button checked
<input type="radio" id="huey" name="drone" value="huey"
checked>
<!-- https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/radio-->radio selected
//checked
<input type="radio" id="huey" name="drone" value="huey"
checked>input radio html
<form>
<p>Veuillez choisir la meilleure méthode pour vous contacter :</p>
<div>
<input type="radio" id="contactChoice1"
name="contact" value="email">
<label for="contactChoice1">Email</label>
<input type="radio" id="contactChoice2"
name="contact" value="telephone">
<label for="contactChoice2">Téléphone</label>
<input type="radio" id="contactChoice3"
name="contact" value="courrier">
<label for="contactChoice3">Courrier</label>
</div>
<div>
<button type="submit">Envoyer</button>
</div>
</form>javascript radio button value if checked
//alert(document.querySelector('input[name = "comp"]:checked').value);
$test=document.querySelector('input[name = "comp"]:checked').value;
if($test="silver") {
amount=50;
}else if($test="gold") {
amount=90;
}else{
amount=30;
}auto select radio button
<input type="radio" name="imgsel" value="" checked>Copyright © 2021 Codeinu
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