The HTML5 <canvas> tag is used to draw graphics, animations, etc. using scripting. It is a new tag introduced in HTML5. The canvas element has a DOM method called getContext, which obtains rendering context and its drawing functions. This function takes one parameter, the type of context 2d.
To draw a rectangle with HTML5 canvas, use the fillRect(x, y, width, height) method:
You can try to run the following code to learn how to draw a rectangle with HTML5 Canvas
<!DOCTYPE html> <html> <head> <title>HTML5 Canvas Tag</title> </head> <body> <canvas id="newCanvas" width="200" height="100" style="border:1px solid #000000;"></canvas> <script> var c = document.getElementById('newCanvas'); var ctx = c.getContext('2d'); ctx.fillStyle = '#7cce2b'; ctx.fillRect(0,0,300,100); </script> </body> </html>