JSFiddle - React, Tailwind, and code Playground

HTML

<canvas width="600" height="400"></canvas>

CSS

body { background:#eee; margin:1em }
canvas { display:block; background:#fff; border:1px solid #ccc }

JavaScript

var img = new Image,
    ctx = document.querySelector('canvas').getContext('2d');
    ctx.globalAlpha = 0.1;

img.onload=function(){
    for (var y=0;y<10;++y) ctx.drawImage(img,0,y);
}
img.src = 'http://phrogz.net/tmp/gkhead-small.png';