Prevent user from copying text on mobile browsers

Question

I\'m trying to develop a typing speed competition using JavaScript. People should write all the words they see from a div to a textarea.

To prevent cheating (like copyin

Answer 1

A simpler solution than the accepted one would be to simply use a canvas element with filltext

var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
ctx.fillText("Can't copy this", 5, 30);

JSFiddle example