how to send an alert in javascript
//you can either do this: function mousePressed() { //you can have any message alert("I'm the best"); } //or you can do this: function keyPressed() { //you can do any key if (keyCode === UP_ARROW) { //and any message alert(number = random(0, 500)); } } //or you can do an (if) statement if(x > width) { alert("yay you did it"); }