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Cómo ocultar la división principal si el primer hijo está vacío

Quiero ocultar la clase "aa" si el primer elemento div está vacío en la clase "ca". Por favor guíame

Mi código de muestra:

 <div class="aa"> <div class="ca"> <div></div> <div class="cb"></div> <div class="cc"></div> </div> <div>

¡Agradezco su respuesta!

about 4 years ago · Juan Pablo Isaza
2 answers
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0

Puede verificar si el primer childNode del elemento principal .ca tiene contenido y luego apuntar a .aa desde allí si no lo tiene:

 //If there is no content within the first div of the class="ca" div... //choose between textContent and innerHTML below //based on whether it is going to have any text or some HTML within (with possibly no text) if (!document.querySelector('.ca').childNodes[0].innerHTML) { //hide the class="aa" div document.querySelector('.aa').style.display = 'none'; }
about 4 years ago · Juan Pablo Isaza Report

0

Puede usar children(":first") para obtener el primer hijo de div como

 $(document).ready(function(){ if($('.ca').children(":first").text() == ""){ $('.aa').hide(); } }); 

 $(document).ready(function(){ if($('.ca').children(":first").text() == ""){ $('.aa').hide(); } });
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <div class="aa"> <div class="ca"> <div></div> <div class="cb">A</div> <div class="cc">B</div> </div> <div>

about 4 years ago · Juan Pablo Isaza Report
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