HTML canvas scale() Method scale three times

Introduction

Draw a rectangle, scale to 200%, draw rectangle again, scale to 200%, draw rectangle again, scale to 200%, draw rectangle again:

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<!DOCTYPE html>
<html>
<body>

<canvas id="myCanvas" width="300" height="170" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>

<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.strokeRect(5, 5, 25, 15);/*  ww w.  ja v a 2  s .c  o m*/
ctx.scale(2, 2);
ctx.strokeRect(5, 5, 25, 15);
ctx.scale(2, 2);
ctx.strokeRect(5, 5, 25, 15);
ctx.scale(2, 2);
ctx.strokeRect(5, 5, 25, 15);
</script>

</body>
</html>



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