var numToExport = 10;

var myCanvas; // (must be global)

​

//-----------------------------------------------

function setup() {

  myCanvas = createCanvas(400, 400);

  frameRate(3);

}

​

//-----------------------------------------------

function draw() {

  background(220);

​

  // Draw a randomly colored circle

  fill (random(150), random(150), random(150));

  circle (random(width), random(height), random(300,400));

​

  // Export the canvas!

  if (exportCount < numToExport) {

    var outputFilename = "valentine_" + exportCount;

    saveCanvas(myCanvas, outputFilename, 'jpg');

    exportCount = exportCount+1;

  }

}

​

​

​