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Capturing the key press event using Javascript (For Both IE and FireFox) Browsers

Posted Date: 23 Jan 2008 Resource Type: Articles Category: .NET Framework

Posted By: gowri prasad channuru Member Level: Silver
Rating:

Points: 7

Capture Key press

Here the code below gives ID of the key which is pressed by keyboard.
I had given few keyNames with respective to my key board.It may differ depends on the key board.

call a javascript function, using below statement.

document.onkeyup = KeyCheck;

To make it work in both Internet and Firefox, use the same function - KeyCheck() - but with an argument this time (e). Also, we use an inline condition so that the appropriate method is used depending on the browser:


function KeyCheck(e)
{
   var KeyID = (window.event) ? event.keyCode : e.keyCode;
   switch(KeyID)   { 
   case 16:      document.Form1.KeyName.value = "Shift";       break;         } }

And the ID of the key which is pressed is sent to a textbox(KeyName) on WebForm(form1 ).
U can have as many case as u want based on the keys u want to capture.

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