JSFiddle - React, Tailwind, and code Playground
HTML
<div id="G" class="Output"></div>
CSS
Output{
width:450px;
height:400px;
position:relative;
}
.c{
width:450px;
height:400px;
margin:0 auto;
position:absolute;
left: 0;
top: 0;
border:1px solid red;
}
JavaScript
function draw(){
img1 = new Image();
img2 = new Image();
img1.src = 'http://www.charcoaldesign.co.uk/images/icons.rbgl-sprites.png';
img2.src = 'http://www.mymilitaryrental.com/apexaviationsolutions/wp-content/uploads/2011/07/logo_small.jpg';
canvas.canvas1.ctx.clearRect ( 0 , 0 , 450 , 400 );
canvas.canvas2.ctx.clearRect ( 0 , 0 , 450 , 400 );
abposx = 10;
abposy = 10;
//doesn't draw
canvas.canvas1.ctx.drawImage(img1, abposx,abposy);
//draws
canvas.canvas2.ctx.drawImage(img2, abposx+50, abposy+50);
}
function start(){
window.canvas = new Object();
for(var i = 1; i < 3; i++){
document.getElementById("G").innerHTML += '<canvas width="450" height="400" id="layer'+i+'" class="c" style="z-index:'+i+';" oncontextmenu="return false;"></canvas>';
temp = document.getElementById('layer'+i);
objname = 'canvas'+i;
canvas[objname] = temp;
canvas[objname].ctx = temp.getContext("2d");
}
draw();
}
start();