2048 web games based on Html+css+javascript

The code is as follows: If you need source code packaging resources I have uploaded to the resources, you can download

Download finished if you feel good please give your praise Yo Pro

To change the probability of a 4 occurrence, you can change the value of 0.35. 
function PRD () {


var otable = document.getElementById ("Mytab");
var myrows= otable.rows;
var Rowno=math.floor (Math.random ());
var cellno= math.floor (Math.random ());
var itemnum=math.round (Math.random ()-0.35);
 2048 web games based on Html+css+javascript