HTML Canvas
The HTML <canvas>
element is used to draw graphics on a web page.Canvas has several methods for drawing paths, boxes, circles, text, and adding images.
Canvas example
<canvas id="myCanvas" width="200" height="100" style="border: 1px solid lightgrey"> </canvas >
Adding a JavaScript
<script>
var c = document.getElementById("drawLine");
var ctx = c.getContext("2d");
ctx.moveTo(0, 0);
ctx.lineTo(200, 100);
ctx.stroke();
</script >
A circle
<script>
var c = document.getElementById("circle");
var ctx = c.getContext("2d");
ctx.beginPath();
ctx.arc(95, 50, 40, 0, 2 * Math.PI);
ctx.stroke();
</script >
A Text
<script>
var c = document.getElementById("text");
var ctx = c.getContext("2d");
ctx.font = "33px Arial";
ctx.fillText("Canvas Text", 10, 50);
</script >
A Stroke Text
<script >
var c = document.getElementById("strokeText");
var ctx = c.getContext("2d");
ctx.font = "33px Arial";
ctx.strokeText("Canvas Text", 10, 50);
</script >
A Linear Gradient
<script >
var c = document.getElementById("linearGradient");
var ctx = c.getContext("2d");
var grd = ctx.createLinearGradient(0, 0, 200, 0);
grd.addColorStop(0, "blue");
grd.addColorStop(1, "white");
ctx.fillStyle = grd;
ctx.fillRect(10, 10, 150, 80);
</script >
A Circular Gradient
<script>
var c = document.getElementById("RadialGradient");
var ctx = c.getContext("2d");
var grd = ctx.createRadialGradient(75, 50, 5, 90, 60, 100);
grd.addColorStop(0, "blueviolet");
grd.addColorStop(1, "white");
ctx.fillStyle = grd;
ctx.fillRect(10, 10, 150, 80);
</script >