javascript - how to get pixel color from image using x and y coordinates? -

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what tryting take "pixel.jpg" , cosole.log rgb value of pixel @ x , y values determined variable. im assuming need create canvas , scan entire thing using loop.. ??

<meta charset="utf-8"> title>pixel</title> <link href="pixel.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="pixel.js"></script> 

<pre id="output"></pre>

draw pixel on canvas. use getimagedata.

var getpixelcolor = function(img,x,y){     var canvas = document.createelement('canvas');     canvas.width = 1;     canvas.height = 1;     var ctx = canvas.getcontext('2d');     ctx.drawimage(img,x,y,1,1,0,0,1,1);     return ctx.getimagedata(0,0,1,1); }

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