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linktree ATokar.net  >  Coding  >  JavaScript
linktree Topic: Disable ctrl, alt and back through JavaScript
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Author Topic: Disable ctrl, alt and back through JavaScript  (Read 1349 times)
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« on: August 20, 2008, 11:05:57 AM »

DISABLE CTRL,ALT and BACK THROUGH JAVASCRIPT
 
function disableKeys(e)
    {
        var ev=(!e)?window.event:e;//IE:Moz
        if(ev.keyCode==8)
        {
            return false;
        }
        if((ev.altKey==true)&&(ev.keyCode>=65) && (ev.keyCode<=90))
        {
            return false;
        }
        if((ev.altKey==true)||(ev.ctrlKey==true))
        {
            return false;
        }
    }
 
DO YOUR ACTION ON BROWSER CLOSE BUTTON THROUGH JAVASCRIPT
 
 window.onbeforeunload=function()
    {
      var keyCd = null;
      var altKy = false;
      var ctlKy = false;
      var shiftKy = false;
      keyCd = event.keyCode;
      altKy = event.altKey;
      ctlKy = event.ctlKey;
      shiftKy = event.shiftKey;
      if((window.event.clientX<0) || (window.event.clientY<0))
      {


// http://www.infysolutions.com       
 // Code for your action
      }
      else if ((altKy && keyCd == 115) && !ctlKy && !shiftKy && keyCd != 116)
      {       
         // Code for your action
      }
      else if ((altKy && keyCd == 70) && !ctlKy && !shiftKy && keyCd != 116)
      {       
         // Code for your action   
      }           
    }

---------------------------------

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