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I'm trying to get a feel for some image manipulation in HTML5. I am finding that when I try and use the getImageData method I get this JS exception thrown. I am using Chrome and running on localhost.

Thanks!

I'm trying to get a feel for some image manipulation in HTML5. I am finding that when I try and use the getImageData method I get this JS exception thrown. I am using Chrome and running on localhost.

Thanks!

  • javascript
  • html
  • getimagedata
  • domexception
Share Improve this question edited Mar 3, 2013 at 16:58 Josh Unger 7,1737 gold badges37 silver badges55 bronze badges asked Apr 24, 2012 at 17:21 flerngobotflerngobot 6661 gold badge11 silver badges32 bronze badges 1
  • Might need a little more context. Possibly related: stackoverflow./questions/4121142/… stackoverflow./questions/833883/… – Andrew Leach Commented Apr 24, 2012 at 17:34
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2 Answers 2

Reset to default 9

Okay figured out what the problem was. All I have to say is "derp". I was using 

getImageData(x, x)

but the way I was intending to use this requires 4 arguments

getImageData(x,x,x,x)

It could be an issue with editing files on your local system using Chrome. You can close Chrome and reopen it using flags --allow-file-access-from-files to allow local file editing.

Came across this post when I ran into a similar issue and it helped.

本文标签： javascriptgetImageData causes quotUncaught Error NOTSUPPORTEDERR DOM Exception 9quotStack Overflow

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