function setup() {

   createCanvas(100, 100);

   myText = getItem('myText');

   if (myText === null) {

     myText = '';

   }

 }

function draw() {

   textSize(40);

   background(255);

   text(myText, width / 2, height / 2);

 }

​

function keyPressed() {

   myText = key;

   storeItem('myText', myText);

 }