Property:
addColorStop:
Canvas:
your browser does not support the canvas tag
Code:
const c = document.getElementById('myCanvas');
const ctx = c.getContext('2d');
var grd = ctx.createLinearGradient(0, 0, 150, 0);
grd.addColorStop(0.3, 'red');
grd.addColorStop(0.7, 'green');
ctx.fillStyle = grd;
ctx.fillRect(0, 0, 150, 100);
Click the property values above to see the result
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