js写完后不显示方块

var nextData=[

[2,2,0,0],

[0,2,2,0],

[0,0,0,0],

[0,0,0,0]

];

var gameData=[

[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],

[0,0,0,0,0,2,1,0,0,0],

[0,0,0,2,2,2,1,0,0,0],

[0,0,1,1,1,1,1,0,0,0]

];

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();

找了半天没找到