JSFiddle - React, Tailwind, and code Playground
HTML
<canvas class="myCanvas" width="300" height="300"></canvas>
<canvas class="myCanvas" width="300" height="300"></canvas>
<canvas class="myCanvas" width="300" height="300"></canvas>
JavaScript
var canvases = $('.myCanvas');
$(canvases).each(function () {
var canvas = $(this).get(0);
var context = canvas.getContext('2d');
var imageObj = new Image();
imageObj.onload = function () {
var sourceX = 0;
var sourceY = 0;
var sourceWidth = 200;
var sourceHeight = 150;
var destWidth = sourceWidth;
var destHeight = sourceHeight;
var destX = canvas.width / 2 - destWidth / 2;
var destY = canvas.height / 2 - destHeight / 2;
context.drawImage(imageObj, sourceX, sourceY, sourceWidth, sourceHeight, destX, destY, destWidth, destHeight);
};
imageObj.src = 'http://static.adzerk.net/Advertisers/3478c54721cd466fb6f7d3afe16e97d4.gif';
});