Convert jquery to javascript code -


if can, please advise me how to:

  1. i need convert nice script, pure javascript without jquery.
  2. very important! selection area need keep aspect ratio.

http://www.script-tutorials.com/html5-image-crop-tool/

well, don't know why need need use html dom / mouse events instead of jquery events:

object.onmousemove

object.onmouseup

object.onmousedown

also need use inmediate function instead jquery document ready shortcut $(function(){...}):

(function(){   // ... code goes here })()

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