Clear Canvas is used to clear the canvas, In order to clear the canvas we use ClearRect()
, it is used to reset or clear the width and height of the canvas
<h2 style="color:green">Press the button to clear the canvas rectangle</h2> <canvas id="myCanvas" width="300" height="180"></canvas> <div> <input type="button" id="clear" value="Clear"> </div> <script> var canvas = document.getElementById('myCanvas'); var context = canvas.getContext('2d'); context.beginPath(); context.rect(18, 50, 200, 100); context.fillStyle = "red"; context.fill(); context.lineWidth = "20"; context.strokeStyle = "pink"; context.stroke(); document.getElementById('clear').addEventListener('click', function () { context.clearRect(0, 0, canvas.width, canvas.height); }, false); </script>
Clear
rectangleid
with "mycanvas"
, width with "300" and height as "180"id
as clear
and value with cleardocument.getElementById (clear)
- It defines the id
of the button as clear
which calls the function in to the buttonaddEventlistener, ('click',function()),
false calls the function to clear the rectangle with the given values output
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