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Browser Quirks Solution

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Tapsi edited this page Oct 20, 2014 · 4 revisions
Environment Error Solution
InternetExplorer 9 and up Canvas is not available Add <!DOCTYPE html> to the head of your HTML document. Important: (!) You have to write it exact like above with the correct letter case else the Internet Explorer will ignore it and prevents using HTML5 stuff.
InternetExplorer syntax error for keyword const The Internet Explorer cannot understand the const keyword of javascript. You should use var with capital letters as workaround.
Firefox Mouse input has NaN x and y coordinates Webkitand Mozilla using different mouse event properties. In WebKit environments you can use ev.offsetX or ev.offsetY to grab the position, but in Mozilla environments you have to use ev.layerX and ev.layerY.
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