var subtitles = [ "null", "George likes his chicken spicy", "Graphic design is my passion", "They don\'t think it be like it is, but it do", "Terminally online", "Twitter is a fandom site for current events", "Genesis does what Nintendon\'t", "1000 JS libraries in your pocket", "A large boulder the size of a small boulder" ]; var index = Math.floor(Math.random() * subtitles.length); console.log("setting subtitle to " + subtitles[index]); window.onload = function() { document.getElementById("subtitle").textContent = subtitles[index]; }