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HTML5 Canvas


Your program does not bolster the <canvas> component.

The HTML <canvas> component is utilized to draw designs on a web page.

The realistic to one side is made with <canvas>. It demonstrates four components: a red square shape, an angle square shape, a multicolor square shape, and a multicolor text.


What is HTML Canvas?

The HTML <canvas> component is utilized to draw illustrations, on the fly, by means of scripting (typically JavaScript).

The <canvas> component is just a compartment for designs. You should utilize a content to really draw the graphics.

Canvas has a few strategies for illustration ways, boxes, circles, message, and including images.


Browser Support

The numbers in the table determine the primary program form that completely underpins the <canvas> element.

Element
<canvas> 4.0 9.0 2.0 3.1 9.0

Canvas Examples

A canvas is a rectangular zone on a HTML page. As a matter of course, a canvas has no outskirt and no content.

The markup looks like this:

<canvas id="myCanvas" width="200" height="100"></canvas>

Note: Always indicate an id property (to be alluded to in a content), what's more, a width and stature credit to characterize the span of the canvas.

To include an outskirt, utilize the style attribute:

Basic Canvas Example

<canvas id="myCanvas" width="200" height="100" style="border:1px strong #000000;">
</canvas>
Try it yourself »

Drawing with JavaScript

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.fillStyle = "#FF0000";
ctx.fillRect(0,0,150,75);
Try it yourself »

Draw a Line

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.moveTo(0,0);
ctx.lineTo(200,100);
ctx.stroke();
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Draw a Circle

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();
ctx.arc(95,50,40,0,2*Math.PI);
ctx.stroke();
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Draw a Text

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.font = "30px Arial";
ctx.fillText("Hello World",10,50);
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Stroke Text

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.font = "30px Arial";
ctx.strokeText("Hello World",10,50);
Try it Yourself »

Draw Linear Gradient

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");

/Create gradient
var grd = ctx.createLinearGradient(0,0,200,0);
grd.addColorStop(0,"red");
grd.addColorStop(1,"white");

/Fill with gradient
ctx.fillStyle = grd;
ctx.fillRect(10,10,150,80);
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Draw Circular Gradient

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");

/Create gradient
var grd = ctx.createRadialGradient(75,50,5,90,60,100);
grd.addColorStop(0,"red");
grd.addColorStop(1,"white");

/Fill with gradient
ctx.fillStyle = grd;
ctx.fillRect(10,10,150,80);
Try it Yourself »

Draw Image

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
var img = document.getElementById("scream");
ctx.drawImage(img,10,10);
Try it Yourself »





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