Get radio group value with Jquery

Assume you have one radio group name default_lang and you want to know which one is selected

<input name="default_lang" value="en" type="radio" />

<input name="default_lang" value="fr" type="radio" />

<input name="default_lang" value="de" type="radio" />

Well, it’s easy with jQuery

var default_lang = $('input:radio[name=default_lang]:checked').val();

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