window.onload = function() {    var canvas = document.getElementById("canvas"),        context = canvas.getContext("2d");    var gradient =context.createLinearGradient(100,100,100,200);    gradient.addColorStop(1,"blue");   // show blue at the bottom    gradient.addColorStop(0,"yellow"); // show yellow on the top        context.fillStyle=gradient;    context.fillRect(100,100,100,100);};

 

window.onload = function() {    var canvas = document.getElementById("canvas"),        context = canvas.getContext("2d");    var gradient =context.createLinearGradient(100,100,100,200);    gradient.addColorStop(1,"blue");   // show blue at the bottom    gradient.addColorStop(0.75, "pink"); //close to the bottom    gradient.addColorStop(0,"yellow"); // show yellow on the top    context.fillStyle=gradient;    context.fillRect(100,100,100,100);};

 

window.onload = function() {    var canvas = document.getElementById("canvas"),        context = canvas.getContext("2d");    var gradient =context.createLinearGradient(100,100,200,100);    gradient.addColorStop(1,"blue");   // show blue at the bottom    gradient.addColorStop(0.75, "pink"); //close to the bottom    gradient.addColorStop(0,"yellow"); // show yellow on the top    context.fillStyle=gradient;    context.fillRect(100,100,100,100);};

 

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window.onload = function() {    var canvas = document.getElementById("canvas"),        context = canvas.getContext("2d");    var gradient = context.createRadialGradient(100,100,0,100,100,50);    gradient.addColorStop(0, "white");    gradient.addColorStop(1, "black");    context.fillStyle = gradient;    context.beginPath();    context.arc(100,100,50,0,Math.PI * 2);    context.closePath();    context.fill();};

 

var gradient = context.createRadialGradient(100,100,20,100,100,50);

 

var gradient = context.createRadialGradient(100,100,20,100,100,80);

 

var gradient = context.createRadialGradient(100,100,20,100,100,30);

 

var gradient = context.createRadialGradient(120,80,0,110,90,60);