JSFiddle - React, Tailwind, and code Playground

by J. Albert Bowden

HTML

<div class="score">score: <span id="result">0</span></div>
  
  <div id="stack">
    <div data-y="0" class="line">
        <div data-x="0" class="brick"></div><div data-x="1" class="brick"></div><div data-x="2" class="brick"></div><div data-x="3" class="brick"></div><div data-x="4" class="brick"></div><div data-x="5" class="brick"></div><div data-x="6" class="brick"></div><div data-x="7" class="brick"></div><div data-x="8" class="brick"></div><div data-x="9" class="brick"></div>
    </div>
    <div data-y="1" class="line">
        <div data-x="0" class="brick"></div><div data-x="1" class="brick"></div><div data-x="2" class="brick"></div><div data-x="3" class="brick"></div><div data-x="4" class="brick"></div><div data-x="5" class="brick"></div><div data-x="6" class="brick"></div><div data-x="7" class="brick"></div><div data-x="8" class="brick"></div><div data-x="9" class="brick"></div>
    </div>
    <div data-y="2" class="line">
        <div data-x="0" class="brick"></div><div data-x="1" class="brick"></div><div data-x="2" class="brick"></div><div data-x="3" class="brick"></div><div data-x="4" class="brick"></div><div data-x="5" class="brick"></div><div data-x="6" class="brick"></div><div data-x="7" class="brick"></div><div data-x="8" class="brick"></div><div data-x="9" class="brick"></div>
    </div>
    <div data-y="3" class="line">
        <div data-x="0" class="brick"></div><div data-x="1" class="brick"></div><div data-x="2" class="brick"></div><div data-x="3" class="brick"></div><div data-x="4" class="brick"></div><div data-x="5" class="brick"></div><div data-x="6" class="brick"></div><div data-x="7" class="brick"></div><div data-x="8" class="brick"></div><div data-x="9" class="brick"></div>
    </div>
    <div data-y="4" class="line">
        <div data-x="0" class="brick"></div><div data-x="1" class="brick"></div><div data-x="2" class="brick"></div><div data-x="3" class="brick"></div><div data-x="4" class="brick"></div><div data-x="5"...

CSS

#stack {
    width: 130px;
    height: 260px;
    border: solid 1px black;
    border-top: 0px;
}

.brick {
    width: 11px;
    height: 11px;
    border: solid 1px white;
    background: white;
    float: left;
}
.brick.on {
    background: black;
}
.brick.now {
    background: green;
}

JavaScript

var fs = "1111:01|01|01|01*011|110:010|011|001*110|011:001|011|010*111|010:01|11|01:010|111:10|11|10*11|11*010|010|011:111|100:11|01|01:001|111*01|01|11:100|111:11|10|10:111|001", now = [3,0], pos = [4,0];
var gP = function(x,y) { return document.querySelector('[data-y="'+y+'"] [data-x="'+x+'"]'); };
var draw = function(ch, cls) {
    var f = fs.split('*')[now[0]].split(':')[now[1]].split('|').map(function(a){return a.split('')});
    for(var y=0; y<f.length; y++)
        for(var x=0; x<f[y].length; x++)
            if(f[y][x]=='1') {
                if(x+pos[0]+ch[0]>9||x+pos[0]+ch[0]<0||y+pos[1]+ch[1]>19||gP(x+pos[0]+ch[0],y+pos[1]+ch[1]).classList.contains('on')) return false;
                gP(x+pos[0]+ch[0], y+pos[1]+ch[1]).classList.add(cls!==undefined?cls:'now');
            }
    pos = [pos[0]+ch[0], pos[1]+ch[1]];
}
var deDraw = function(){ if(document.querySelectorAll('.now').length>0) deDraw(document.querySelector('.now').classList.remove('now')); }
var check = function(){
	for(var i=0; i<20; i++)
		if(document.querySelectorAll('[data-y="'+i+'"] .brick.on').length == 10) 
			return check(roll(i), document.querySelector('#result').innerHTML=Math.floor(document.querySelector('#result').innerHTML)+10);
};
var roll = function(ln){ if(false !== (document.querySelector('[data-y="'+ln+'"]').innerHTML = document.querySelector('[data-y="'+(ln-1)+'"]').innerHTML) && ln>1) roll(ln-1); };
window.addEventListener('keydown', kdf = function(e){
    if(e.keyCode==38&&false!==(now[1]=((prv=now[1])+1)%fs.split('*')[now[0]].split(':').length) && false===draw([0,0], undefined, deDraw())) draw([0,0],undefined, deDraw(), now=[now[0],prv]);
    if((e.keyCode==39||e.keyCode==37)&&false===draw([e.keyCode==39?1:-1,0],undefined,deDraw())) draw([0,0],undefined,deDraw());
    if(e.keyCode == 40)
        if(false === draw([0,1], undefined, deDraw())) {
            if(draw([0,0], 'on', deDraw())||true) check();
            if(false === draw([0,0], undefined, now =...