Add exercise LMSGI/PromedioNotas

2022-04-26 20:05:23 +02:00
parent 161dae282e
commit 5c76e808f0
3 changed files with 118 additions and 0 deletions
--- a/1/LMSGI/PromedioNotas/A00098_Recoger3ValoresForm.html
+++ b/1/LMSGI/PromedioNotas/A00098_Recoger3ValoresForm.html
@ -0,0 +1,53 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/
+xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+<title>Ejemplo de cÃ³digo JavaScript en el propio documento</title>
+
+  <script type="text/javascript">
+  /**function limita(maximoCaracteres) {
+   var elemento = document.getElementById("texto");
+   if(elemento.value.length >= maximoCaracteres ) {
+     return false;
+     }
+   else {
+     return true;
+     }
+  }
+  **/
+
+  function comprueba(){
+  var cuadrotxt = document.getElementById("elemento");
+  alert ("value; "+cuadrotxt.value+"\n type: "+cuadrotxt.type+"\n name: "+cuadrotxt.name);
+  alert ("elemento2: "+cuadrotxt.form.elemento2.value);
+  }
+
+  window.onload=function(){
+  if(document.forms.length > 0) {
+    if(document.forms[0].elements.length > 0) {
+     document.forms[0].elements[0].focus();
+    }
+  }
+  }
+  </script>
+
+</head>
+<body>
+  <form name="formulario" id="formulario" >
+    <input type="number" name="elemento" id="elemento" />
+    <input type="number" name="elemento2" id="elemento2" />
+    
+    <textarea id="texto" onkeypress="return limita(100);"></textarea>
+    
+    <input type="button" value="Enviar" onclick="this.value='enviando...';comprueba()"/>
+  </form>
+</body>
+</html>
+
+
+
+
+
+
+<!--this.disabled=true;-->