HTML Canvas Rectangles
Example
Draw a 150*100 pixels rectangle:
const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
ctx.beginPath();
ctx.rect(20, 20, 150, 100);
ctx.stroke();
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The rect() Method
The rect() method adds a rectangle to the path.
The syntax is context.rect(x, y, width, height)
| Param | Description | Play it |
|---|---|---|
| x | The x-coordinate of the upper-left corner of the rectangle | Play it » |
| y | The y-coordinate of the upper-left corner of the rectangle | Play it » |
| width | The width of the rectangle, in pixels | Play it » |
| height | The height of the rectangle, in pixels | Play it » |
More Examples
Example
Create three rectangles with the rect() method:
JavaScript:
const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
// Red rectangle
ctx.beginPath();
ctx.lineWidth = "6";
ctx.strokeStyle = "red";
ctx.rect(5, 5, 290, 140);
ctx.stroke();
// Green rectangle
ctx.beginPath();
ctx.lineWidth = "4";
ctx.strokeStyle = "green";
ctx.rect(30, 30, 50, 50);
ctx.stroke();
// Blue rectangle
ctx.beginPath();
ctx.lineWidth = "10";
ctx.strokeStyle = "blue";
ctx.rect(50, 50, 150, 80);
ctx.stroke();
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