Question

How to set HTML canvas to full screen size in JavaScript

Answer 1

<canvas id="canvas"></canvas>

<script type="text/JavaScript">   

var canvas = document.getElementById("canvas");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;

var ctx = canvas.getContext("2d");
ctx.font = "12px Arial";
ctx.fillText(canvas.width + ' - ' + canvas.height ,30, 30);

</script>

 

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