Baseline Widely available
The CanvasRenderingContext2D.fill() method of the Canvas 2D API fills the current or given path with the current fillStyle.
fill()
fill(path)
fill(fillRule)
fill(path, fillRule)
fillRule
The algorithm by which to determine if a point is inside or outside the filling region. Possible values:
nonzero
The non-zero winding rule. Default rule.
evenodd
path
A Path2D path to fill.
None (undefined).
This example fills a rectangle with the fill() method.
<canvas id="canvas"></canvas>
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
ctx.rect(10, 10, 150, 100);
ctx.fill();
This example saves some intersecting lines to a Path2D object. The fill() method is then used to render the object to the canvas. A hole is left unfilled in the object's center by using the "evenodd" rule; by default (with the "nonzero" rule), the hole would also be filled.
<canvas id="canvas"></canvas>
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext("2d");
// Create path
let region = new Path2D();
region.moveTo(30, 90);
region.lineTo(110, 20);
region.lineTo(240, 130);
region.lineTo(60, 130);
region.lineTo(190, 20);
region.lineTo(270, 90);
region.closePath();
// Fill path
ctx.fillStyle = "green";
ctx.fill(region, "evenodd");
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