SOURCE

let canvas = document.getElementById("canvas");
canvas.width = 300;
canvas.height = 300;
let context = canvas.getContext("2d");
drawRect(context, 50, 50, 100, 100, "red", 5, "blue");
drawRect(context, 160, 50, 100, 100, "green", 5, "red");
drawRect(context, 50, 160, 100, 100, "yellow", 5, "red");
context.rect(160,160,100,100)

function drawRect(cxt, x, y, width, height, fillColor, borderWidth, borderColor) {
  cxt.beginPath();
	cxt.rect(160,160,100,100)
  cxt.lineWidth = borderWidth;
  cxt.strokeStyle = borderColor;
  cxt.fillStyle = fillColor;
  
  cxt.fill();
  cxt.stroke();
}

<canvas id="canvas">
</canvas>