Download As. Enable p5.js under Libraries, wait until it is checked, then paste the whole editor.

Goal

Run every block and confirm the chart is visible.

console.log("Download As saves the p5 sketch.");
document.body.innerHTML = "";
new p5((s) => { s.setup = () => { s.createCanvas(200, 80); s.background(245); s.text("Nairobi", 20, 40); s.noLoop(); }; });

document.body.innerHTML = "";
new p5((s) => {
  const units = [21, 15, 15, 18, 12];
  s.setup = () => { s.createCanvas(440, 220); s.noLoop(); };
  s.draw = () => {
    s.background(250);
    units.forEach((u, i) => { s.fill('#1d4f7a'); s.rect(30 + i * 80, 180 - u * 6, 50, u * 6); });
  };
});
console.log('bars');

document.body.innerHTML = "";
new p5((s) => {
  const mm = [48, 55, 92, 150];
  s.setup = () => { s.createCanvas(420, 200); s.noLoop(); };
  s.draw = () => { s.background(250); s.noFill(); s.stroke("#1d4f7a"); s.beginShape(); mm.forEach((v, i) => s.vertex(40 + i * 100, s.map(v, 0, 160, 180, 20))); s.endShape(); };
});
console.log("line");

console.log('export');