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Intentando obtener el índice de columna del cuadro de texto en el encabezado de columna de la tabla JQUERY

Estoy tratando de obtener el número de índice de columna para la tabla del cuadro de texto en cada encabezado de tabla.

 $("[id*=TXTSEARCH]").keyup(function () { var value = $(this).val().toLowerCase(); tablename = $(this).closest('table').attr('id'); mytd = $(this).closest('td'); alert(mytd.index()); })

Esto sigue devolviendo todos los mismos números. -1

Aquí está mi violín https://jsfiddle.net/u8fjo2gv/1/

about 4 years ago · Juan Pablo Isaza
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