console 命令行工具 X clear

console

function setup() {
  createCanvas(600,600);
  background(255);

}

function draw() {
	for(var y=50;y<height;y+=100){
		for(var x=50;x<=width;x+=100){
	        fill(40,40,154);
            ellipse(x,y,100,100);
     
        }
    }
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.1.9/p5.min.js"></script>