How to draw rectangle in canvas

Description

fillRect(x, y, w, h) draws a filled rectangle

x and y are the offset from the top-left corner of the canvas element. The w and h arguments specify the width and height of the rectangle.

Example


<!DOCTYPE HTML>
<html>
<head>
<style>
canvas {<!--  w ww  . j av a2s .c  om-->
      border: thin solid black;
      margin: 4px
}
</style>
</head>
<body>
      <canvas id="canvas" width="500" height="140"> 
    Your browser doesn't support the <code>canvas</code> element 
    </canvas>
      <script>
            var ctx = document.getElementById("canvas").getContext("2d");
            ctx.fillRect(10, 10, 100, 100);
            ctx.strokeRect(30, 30, 200, 200);
      </script>
</body>
</html>