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Comprobar el valor de un campo select y modificarlo en jQuery | Actualidad jQuery
excerpt
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 Ayer os explicabamos como trabajar con los campos checkbox, validar su estado y cambiar su estado mediante jQuery. Hoy vamos a hacer lo mismo pero con un campo select. Hemos creado 4 botones, 1 botón para comprobar el estado del select, y los otros 3 botones para cambiar la opción seleccionada. Primero vamos a obtener la opción seleccionada del select, el id y el texto, presionando sobre el botón. $(document).ready(function(){ $("#select_comprobar").click(function() { alert("Id: "+$("#sexo option:selected").val()+" | Texto: "+$("#sexo option:selected").text()); }); }); Una vez que presionemos el botón recibiremos en un alert el id y el texto de la opción seleccionada, gracias al atributo option:selected ($("#sexo option:selected").val() / $("#sexo option:selected").text()) Para terminar vamos a cambiar la opción seleccionada del select con estos 3 botones: $(document).ready(function(){ $("#select_cambiar_defecto").click(function() { $("#sex...
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