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Compruebe si alguna entrada de radio está marcada

 if (document.querySelector("input[name='maca']")).getAttribute("checked")
 <input type="radio" name="maca" id="maca1"> <input type="radio" name="maca" id="maca2">

Quiero verificar si alguno de los botones de radio de tipo de entrada con el mismo nombre está marcado.

about 4 years ago · Juan Pablo Isaza
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Seleccione cada botón de radio con ese nombre con querySelectorAll , luego use Array.some para verificar si uno de los elementos de la lista está marcado:

 const radioButtons = document.querySelectorAll('input[name="maca"]') const oneChecked = [...radioButtons].some(e => e.checked) console.log(oneChecked)
 <input type="radio" name="maca" id="maca1"> <input type="radio" name="maca" id="maca2" checked>

Alternativamente, puede intentar seleccionar el botón de opción marcado (con la:checked ) y ver si se seleccionó un elemento:

 if(document.querySelector('input[name="maca"]:checked')){ console.log('checked') }
 <input type="radio" name="maca" id="maca1"> <input type="radio" name="maca" id="maca2" checked>

about 4 years ago · Juan Pablo Isaza Report
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