createPattern:

your browser does not support the canvas tag

var c = document.getElementById('myCanvas');
var ctx = c.getContext('2d');
var img = document.createElement('img');
img.src = 'img_lamp.jpg';
var pat = ctx.createPattern(img, 'repeat');
ctx.rect(0, 0, 150, 100);
ctx.fillStyle = pat;
ctx.fill();