onkeydown

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  • KublaiKhan
    #1

    onkeydown

    I am trying to figure out what values are returned when keys are
    pressed in Mozilla & IE. Here's the code I'm using. There are no
    alerts in either browser. Any clues would be greatly appreciated.
    Thanks. KK

    <html>
    <head><title>Re ading Keystrokes</title>

    <script language="JavaS cript">
    window.onkeyDow n = keyHit;
    function keyHit(evt) {
    if (evt && evt.which) { //NS
    thisKey = evt.which;
    }
    else if(window.event && window.event.ke yCode) { //IE
    thisKey=window. event.keyCode;
    }
    alert(thisKey)
    }
    </script>
    </head><body></body></html>
    Tags: None
    • koethler
      #2
      Re: onkeydown

      The method I used to get your script to work is this. First I put the
      'onKeyDown' handler in the <body> tag. Second inside the keyHit() function
      I made the first line--

      var evt = window.event;

      --the code works in this format in IE, though I don't know about any cross
      browser application.

      Do you know anything about how to disable the Backspace Key from
      performing the history.back method? I can disable it for text but not for
      browsing.

        Comment

        • Grant Wagner
          #3
          Re: onkeydown

          KublaiKhan wrote:
          [color=blue]
          > I am trying to figure out what values are returned when keys are
          > pressed in Mozilla & IE. Here's the code I'm using. There are no
          > alerts in either browser. Any clues would be greatly appreciated.
          > Thanks. KK
          >
          > <html>
          > <head><title>Re ading Keystrokes</title>
          >
          > <script language="JavaS cript">[/color]

          <script type="text/javascript">
          [color=blue]
          > window.onkeyDow n = keyHit;[/color]

          document.onkeyd own = keyHit;
          [color=blue]
          > function keyHit(evt) {
          > if (evt && evt.which) { //NS
          > thisKey = evt.which;
          > }
          > else if(window.event && window.event.ke yCode) { //IE
          > thisKey=window. event.keyCode;
          > }
          > alert(thisKey)
          > }[/color]

          function keyHit(evt) {
          evt = evt || window.event;
          alert(evt.which ? evt.which : evt.keyCode);
          }
          [color=blue]
          > </script>
          > </head><body></body></html>[/color]

          --
          Grant Wagner <gwagner@agrico reunited.com>
          comp.lang.javas cript FAQ - http://jibbering.com/faq

            Comment

            • J. J. Cale
              #4
              Re: onkeydown


              "KublaiKhan " <birky99@hotmai l.com> wrote in message
              news:f06d5ef0.0 412021701.38220 271@posting.goo gle.com...[color=blue]
              > I am trying to figure out what values are returned when keys are
              > pressed in Mozilla & IE. Here's the code I'm using. There are no
              > alerts in either browser. Any clues would be greatly appreciated.
              > Thanks. KK
              >
              > <html>
              > <head><title>Re ading Keystrokes</title>
              >
              > <script language="JavaS cript">[/color]

              <script type="text/javascript">
              [color=blue]
              > window.onkeyDow n = keyHit;[/color]

              document.onkeyd own = keyHit;
              if you just want general keyboard response use the
              onkeypress handler. It handles upper/lower case
              numbers and punctuation. Onkeydown requires a solid
              understanding of handling key events.
              [color=blue]
              > function keyHit(evt) {[/color]
              [color=blue]
              > if (evt && evt.which) { //NS[/color]

              // you haven't declared thisKey and it will
              // be available as a global variable to the rest of
              // your script/s !!
              var thisKey; // now local variable
              [color=blue]
              > thisKey = evt.which;[/color]
              [color=blue]
              > }
              > else if(window.event && window.event.ke yCode) { //IE
              > thisKey=window. event.keyCode;
              > }
              > alert(thisKey)
              > }
              > </script>
              > </head><body></body></html>[/color]

              <script type="text/javascript">
              document.onkeyp ress = keyHit;

              function keyHit(evt) {
              var e = evt || window.event;
              var thisKey = e.which || e.keyCode;
              alert(String.fr omCharCode(this Key));
              }
              </script>
              HTH
              Jimbo


                Comment

                • KublaiKhan
                  #5
                  Re: onkeydown

                  "koethler" <koethler@telus .net> wrote in message news:<4512bc649 891a103af229cb4 fbb96be6@localh ost.talkaboutpr ogramming.com>. ..[color=blue]
                  > The method I used to get your script to work is this. First I put the
                  > 'onKeyDown' handler in the <body> tag. Second inside the keyHit() function
                  > I made the first line--
                  >
                  > var evt = window.event;
                  >
                  > --the code works in this format in IE, though I don't know about any cross
                  > browser application.
                  >
                  > Do you know anything about how to disable the Backspace Key from
                  > performing the history.back method? I can disable it for text but not for
                  > browsing.[/color]

                  I simplified the code on Grant Wagner's advice to:
                  <html>
                  <head><title>Re ading Keystrokes</title>

                  <script type="text/javascript">
                  document.onkeyd own = keyHit;
                  function keyHit(evt) {
                  evt = evt || window.event;
                  alert(evt.which ? evt.which : evt.keyCode);
                  }
                  </script>
                  </head><body></body></html>

                  Turns out my original problem was I had document.onkeyD own instead of
                  document.onkeyd own (lowercase). Now it works fine under Mozilla & IE6.
                  Thanks folks. I am very new js. With that in mind, I have pages
                  1,2,3,4. Link on p. 1 takes you p. 2 which checks for cookies & if
                  false, does a
                  this.location.h ref="page3.html "
                  P. 3 first line is
                  <meta http-equiv=refresh content="0;url= page4.html">
                  A link in page 4 then takes you to p. 2. Backward navigation from p.2
                  now takes you to p.1 with pages 3 & 4 erased from history.
                  Something to think about.

                  KK

                    Comment

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