Activate a Javascript function with a keypress

Question

    function addone()
    {
            document.getElementById("subtract").disabled=false;
    x += 1;
    document.getElementById("result").innerHTML="Doshi has said OK " + x + " times."
if(x == 1 ){
    document.getElementById("resetall").disabled=false;
    document.getElementById("reset").disabled=false;
    document.getElementById("result").innerHTML="Doshi has said OK " + x + " time."
}
if(x == 0){
    document.getElementById("resetall").disabled=true;
    document.getElementById("reset").disabled=true;
    document.getElementById("result").innerHTML="Doshi has not said OK "
}
    }

I want to start this function when I press the "1" key. How do I do this

I can't figure out the onkeydown code. I would love to use that. — muzzledog, Feb 06 '13 at 17:32
The answer is all over the place. Check this: http://stackoverflow.com/a/7555375/465738 — Edson Medina, Feb 06 '13 at 17:33

score 5 · Accepted Answer · answered Feb 06 '13 at 17:32

5

window.onkeypress = function(event) {
   if (event.keyCode == 41) {
      // do a function
   }
}

instead of onkeypress you can look at onkeydown / onkeyup

List of char codes: http://www.asciitable.com/

answered Feb 06 '13 at 17:32

tobspr

8,200
5
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do I need anything in the HTML – muzzledog Feb 06 '13 at 17:33
No, just this code inside a script tag or an external js included – tobspr Feb 06 '13 at 17:33
ok thanks. will this code work if I change it to onkeydown? – muzzledog Feb 06 '13 at 17:35
Yeah, just the time where the code is executed changes ... keypress is when the key was pressed and then released, keydown when the key is pressed – tobspr Feb 06 '13 at 17:36
so I put my code from above inside the if? – muzzledog Feb 06 '13 at 17:37
no, you put the code at the beggining of your code for example ... – tobspr Feb 06 '13 at 17:38
can you please post it as a new answer. i cant see the whole comment – muzzledog Feb 06 '13 at 17:39
I made the '...' myself. – tobspr Feb 06 '13 at 17:40
where you have window.onkeypress=function(event) do i replace function with my function name – muzzledog Feb 06 '13 at 17:52
@muzzledog > you need to call addone() inside the if, where TobSpr put the comment `// do a function` – koopajah Feb 06 '13 at 18:32
1

currently it is not working – muzzledog Feb 08 '13 at 17:16

Activate a Javascript function with a keypress

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