console 命令行工具 X clear

console

function setup(){
    createCanvas(600,600);
    background(400);
    noStroke();
}

function draw(){
    for(let x=0;x<600;x+=120){
        for(let y=0;y<600;y+=120){
            fill(random(255),random(255),);
            rect(x,y,120,120);
        }
    }
}

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