I need to receive keyboard events in a canvas element. Click events are received but key presses aren't.

Here is my code which doesn't handle key events:

var canvasElm = $('canvas');
Event.observe('canvas', 'keypress', function(e) {
    console.log('Key event is received!!');

How can I make it handle those key events?

  • \$\begingroup\$ Dupe, or at least helpful? \$\endgroup\$ – Anko Feb 28 '13 at 23:48

I suspect the canvas never has the keyboard focus. Keyboard events will be sent to the Window object.

Try adding the events to the Window object. (NB: It might be clearer what's happening if you don't use JQuery)

  • 3
    \$\begingroup\$ +1 For "don't use jQuery" ;) And for finding the solution, of course! \$\endgroup\$ – Laurent Couvidou Mar 1 '13 at 10:07

I'm really sorry. I found the solution after ask the question by trying. As MarkR said, we need give focus on our canvas. Here is the pure javascript (without JQuery);


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