informática2017

miércoles, 17 de agosto de 2016

83. Ejercicios de tablas getElemetById

<script>
	document.write('<table width="100%" border="1">');
	for(i = 1; i <= 3; i++){
	document.write('<tr>');
	for(j=1; j <=3; j++){
	document.write('<td>');
	document.write('<input type="text" id="' + (i+"_"+j) + '" value="">' );
	document.write('</td>');
	}
	document.write('</tr>');
	}
	document.write('</table>');


	function buscar(){
	fila = document.getElementById("fila").value;
	columna = document.getElementById("columna").value;
	texto = document.getElementById("texto").value;

	document.getElementById(fila + "_" + columna).value = texto;


	}
	</script>
	<body>
	<br><br>Visualización de Tablas de 3 x 3.<br><br>Fila: <select name="fila" id="fila" >
	<option value="1" selected>1</option>
	<option value="2">2</option>
	<option value="3">3</option>
	</select><br>
	columna: <select name="columna" id="columna" >
	<option value="1" selected>1</option>
	<option value="2">2</option>
	<option value="3">3</option>
	</select>
	<br>
	texto: <input type="text" id ="texto"><br>
	<input type="button" value="Aceptar" onClick="buscar()">
	</body>

miércoles, 17 de agosto de 2016