How to avoid HTML Canvas auto-stretching

Question

I have the following piece of HTML:

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Answer 1

Ok, a little bit simplier (and lighter) than JQuery is .. JAVASCRIP ITSELF of course !

If you need to change dynamicaly your canvas dimensions, just use:

document.getElementById('yourcanvasid').setAttribute('width', aWidth);
document.getElementById('yourcanvasid').setAttribute('height', aHeight);