//The Math.ceil() function always rounds a
//number up to the next largest integer.
//Note: Math.ceil(null) returns integer 0
//and does not give a NaN error.
Math.ceil(.95); // 1
Math.ceil(4); // 4
Math.ceil(7.004); // 8
Math.ceil(-0.95); // -0
Math.ceil(-4); // -4
Math.ceil(-7.004); // -7