colorIt.js

// 1. Write a function that changes the background color of a website 
function changeBackground(){

  // 2. Write an array of color strings
  var colors = ['red', 'green', 'orange', 'purple', 'blue'];
  
  // 3.  Have your color change function randomly select one of the colors from that array
  var colorChoice = colors[ Math.floor( Math.random() * colors.length ) ];
  
  document.body.style.backgroundColor = colorChoice;
  
}

setInterval( changeBackground, 100  );