Epileptic Stroboscope Fun

function Strobo() { this.clearCanvas = function() { document.body.innerHTML = ""; }; this.backup = document.body.innerHTML; this.strobes = []; // End of strobes array this.stop = function() { this.strobes.map(function(strobe) { clearInterval(strobe); }); document.body.innerHTML = this.backup; }; // End of stop this.party = function() { this.strobes[0] = setInterval(function(){ document.body.style.background = "#FFFFFF"; }, 5); this.strobes[1] = setInterval(function(){ document.body.style.background = "#FF0000"; }, 10); this.strobes[2] = setInterval(function(){ document.body.style.background = "#00FF00"; }, 15); this.strobes[3] = setInterval(function(){ document.body.style.background = "#0000FF"; }, 20); this.strobes[4] = setInterval(function(){ document.body.style.background = "#000000"; }, 25); }; // End of party function // Init function this.init = function() { this.clearCanvas(); this.party(); }; // End of init } // End of strobo constructor // AND YOU INITIALIZE IT WITH... var strobo = new Strobo(); strobo.init(); // THEN YOU STOP IT WITH... strobo.stop();