Alternates through web page colors every 100ms

Webpage Color Spam

function colorSpam () {
	var colors = ["red", "blue", "green", "orange", "purple", "yellow"];
	
	function changeColor(i) {
		i = i < colors.length ? i: 0;
		document.body.style.backgroundColor = colors[i];
		setInterval(function () {changeColor(i + 1)}, 100);
	  }
	 
	changeColor(1);
	};
colorSpam();