Definition :
Canvas is a container which is meant for loading the content dynamically on the web page.
Program 1 :
<html>
<body>
<canvas id=”mycanvas” width=”200″ height=”100″ 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.moveTo(0,0);
ctx.lineTo(100,200);
ctx.stroke();
</script>
</body>
</html>
Program 2 :
<html>
<body>
<canvas id=”mycanvas” width=”200″ height=”100″ 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.beginPath();
ctx.arc(95,50,40,0,2*Math.PI);
ctx.stroke();
</script>
</body>
</html>
Program 3 :
<html>
<body>
<canvas id=”mycanvas” width=”350″ height=”100″ 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.font=”60px Arial”;
ctx.fillText(“Hello World”,10,50);
</script>
</body>
</html>
Program 4 :
<html>
<body>
<canvas id=”mycanvas” width=”350″ height=”100″ 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”);
var grd=ctx.createLinearGradient(0,0,200,0);
grd.addColorStop(0,”red”);
grd.addColorStop(1,”white”);
ctx.fillStyle=grd;
ctx.fillRect(10,10,50,80);
</script>
</body>
</html>