1$("#someElement").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);

1$(document).ready(() => { 
2	setInterval(() => { 
3		$('p').fadeIn(); 
4		$('p').fadeOut(); 
5	}, 500); 
6}); 

1var buttonColours=["red", "blue", "green", "yellow"];
2var gamePattern=[];
3
4function nextSequence(){
5  var randomNumber = Math.floor(Math.random()*4);
6  var randomChosenColour= buttonColours[randomNumber];
7  gamePattern.push(randomChosenColour);
8  $("#randomChosenColour").fadeOut(100).fadeIn(100).fadeOut(100).fadeIn(100);
9 }
10