根据视频做的不显示方块为什么
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>俄罗斯方块</title>
<link rel="stylesheet" href="style.css" />
</head>
<div class="game" id="game"></div>
<div class="next" id="next"></div>
<div class="info" >
<div>已用时:<span id="time">0</sapn>s</div>
<div>已得分:<span id="score">0</sapn>分</div>
</div>
<script src="script.js"></script>
<body>
</body>
</html>
.game {
width: 200px;
height: 400px;
background-color: #F2FAFF;
border-left: 1px solid blue;
border-right: 1px solid blue;
border-bottom: 1px solid blue;
position: absolute;
top: 10px;
left: 10px;
}
.next {
width: 80px;
height: 80px;
background-color: #F2FAFF;
position: absolute;
top: 10px;
left: 250px;
border: 1px solid blue;
}
.info {
position: absolute;
top: 100px;
left: 250px;
}
.none, .current, .done {
width: 20px;
height: 20px;
position: absolute;
box-sizing: border-box;
}
.none {
background-color: #F2FAFF;
}
.current {
background-color: pink;
border: 1px solid red;
}
.done {
background-color: gray;
border: 1px solid black;
}
var nextData = [
[2,2,0,0],
[0,2,2,0],
[0,0,0,0],
[0,0,0,0]
];
var gameDate = [
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,2,0,0,0],
[0,0,0,0,0,2,2,1,0,0],
[0,0,0,0,2,2,2,1,0,0],
[0,0,0,2,2,2,2,1,0,0],
[0,0,1,1,1,1,1,1,0,0]
];
var nextDivs = [];
var gameDivs = [];
var initGame = function(){
for(var i=0; i<gameData.length; i++) {
var gameDiv = [];
for(var j=0; j<gameData[0].length; j++){
var newNode = document.createElement('div');
newNode.className = 'none';
newNode.style.top = (i*20) + 'px';
newNode.style.left = (j*20) + 'px';
document.getElementById('game').appendChild(newNode);
gameDiv.push(newNode);
}
gameDivs.push(gameDiv);
}
}
var initNext = function(){
for(var i=0; i<nextData.length; i++) {
var nextDiv = [];
for(var j=0; j<nextData[0].length; j++){
var newNode = document.createElement('div');
newNode.className = 'none';
newNode.style.top = (i*20) + 'px';
newNode.style.left = (j*20) + 'px';
document.getElementById('next').appendChild(newNode);
nextDiv.push(newNode);
}
nextDivs.push(nextDiv);
}
}
var refreshGame = function(){
for(var i=0; i<gameData.length; i++){
for(var j=0; j<gameData[0].length; j++){
if(gameData[i][j] == 0){
gameDivs[i][j].className = 'none';
}else if(gameData[i][j] == 1){
gameDivs[i][j].className = 'done';
}else if(gameData[i][j] == 2){
gameDivs[i][j].className = 'current';
}
}
}
}
var refreshNext = function(){
for(var i=0; i<nextData.length; i++){
for(var j=0; j<nextData[0].length; j++){
if(nextData[i][j] == 0){
nextDivs[i][j].className = 'none';
}else if(nextData[i][j] == 1){
nextDivs[i][j].className = 'done';
}else if(nextData[i][j] == 2){
nextDivs[i][j].className = 'current';
}
}
}
}
initGame();
initNext();
refreshGame();
refreshNext();