How would I do that with this?
https://jsfiddle.net/gfrh93L8/
let s = document.createElement("canvas");
s.width = s.height = 512;
let sun = s.getContext("2d");
let canvas = document.getElementById("c");
canvas.width = canvas.height = 512;
let ctx = canvas.getContext("2d");
let gradient = sun.createLinearGradient(0, 50, 0, canvas.height-50);
gradient.addColorStop(0, '#fbf120ff');
gradient.addColorStop(0.355, "#fd8227ff");
gradient.addColorStop(0.356, "#fd822700");
gradient.addColorStop(0.364, "#fd822700");
gradient.addColorStop(0.365, "#fd8227ff");
gradient.addColorStop(0.42, "#fe6828ff");
gradient.addColorStop(0.421, "#fe682800");
gradient.addColorStop(0.434, "#fe682800");
gradient.addColorStop(0.435, "#fe6828ff");
gradient.addColorStop(0.49,"#fe5430ff");
gradient.addColorStop(0.491,"#fe543000");
gradient.addColorStop(0.509,"#fe543000");
gradient.addColorStop(0.51,"#fe5430ff");
gradient.addColorStop(0.562,"#fe4b38ff");
gradient.addColorStop(0.563,"#fe4b3800");
gradient.addColorStop(0.582,"#fe4b3800");
gradient.addColorStop(0.584,"#fe4b38ff");
//64 -- fe3446
gradient.addColorStop(0.63,"#fe3446ff");
gradient.addColorStop(0.631,"#fe344600");
gradient.addColorStop(0.657,"#fe344600");
gradient.addColorStop(0.658,"#fe3446ff");
//73 -- fe2558
gradient.addColorStop(0.710,"#fe2558ff");
gradient.addColorStop(0.711,"#fe255800");
gradient.addColorStop(0.739,"#fe255800");
gradient.addColorStop(0.74,"#fe2558ff");
//80 -- fe1f5f
gradient.addColorStop(0.785,"#fe1f5fff");
gradient.addColorStop(0.786,"#fe1f5f00");
gradient.addColorStop(0.825,"#fe1f5f00");
gradient.addColorStop(0.826,"#fe1f5fff");
//87 -- fe1967
gradient.addColorStop(0.860,"#fe1967ff");
gradient.addColorStop(0.861,"#fe196700");
gradient.addColorStop(0.905,"#fe196700");
gradient.addColorStop(0.906,"#fe1967ff");
//94 -- ff1270
gradient.addColorStop(.940, '#ff1270ff');
gradient.addColorStop(.941, '#ff127000');
sun.fillStyle = gradient;
sun.beginPath();
sun.arc(canvas.height/2, canvas.height/2, 206, 0, 2 * Math.PI);
sun.fill();
ctx.shadowColor = '#ff0d77af';
ctx.shadowBlur = 50;
ctx.drawImage(s, 0,0
);