topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

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basic-web-html-12-ch12-eg06.htm / htm



  <html>
  <head>
    <title>Form validation</title>
    <script type="text/JavaScript" language="JavaScript">
  
  function validate(form) {
    var returnValue = true;
    var selectedOption = form.selCards.selectedIndex;
    if (selectedOption=="0")
    {
      alert("Please select a suit of cards.");
      returnValue = false;
    }
  
    return returnValue;
  }
  
  </script>
  </head>
  <body>
  
  <form name="frmCards" action="cards.asp" method="get"
        onsubmit="return validate(this)" >
    <select name="selCards" id="selCards">
      <option>Select a suit of cards</option>
      <option value="hearts">Hearts</option>  
      <option value="diamonds">Diamonds</option>  
      <option value="spades">Spades</option>  
      <option value="clubs">Clubs</option>  
    </select>
    <input type="submit" value="Send selection" />
  </form>
  
  </body>
  </html>
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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