Rendering SVG Asset in Canvas

HTML

<canvas width="2048" height="1024"></canvas>
<img src="http://upload.wikimedia.org/wikipedia/commons/0/02/SVG_logo.svg" />

JavaScript

var cvs = document.querySelector('canvas'),
    ctx = cvs.getContext('2d'),
    svg = document.querySelector('img');

ctx.drawImage(svg, 0, 0, 320, 320);
img.onload = function() {
    ctx.drawImage(svg, 0, 0, 320, 320);
};