Static fullscreen 

pub static fullscreen: FullscreenInternalType

If argument is given, sets the sketch to fullscreen or not based on the value of the argument. If no argument is given, returns the current fullscreen state. Note that due to browser restrictions this can only be called on user input, for example, on mouse press like the example below.

Examples

// Clicking in the box toggles fullscreen on and off.
function setup() {
  background(200);
}
function mousePressed() {
  if (mouseX > 0 && mouseX < 100 && mouseY > 0 && mouseY < 100) {
    let fs = fullscreen();
    fullscreen(!fs);
  }
}

Parameters

val? whether the sketch should be in fullscreen mode or not