Javascript 我能';t交换表格第一行或最后一行中的图像
我正在努力使图片交换。有16个正方形,但由于某些原因,我无法移动到表格单元格2d数组的最后一行或第一行 有人看到我的问题了吗?这是我的Javascript:Javascript 我能';t交换表格第一行或最后一行中的图像,javascript,html,Javascript,Html,我正在努力使图片交换。有16个正方形,但由于某些原因,我无法移动到表格单元格2d数组的最后一行或第一行 有人看到我的问题了吗?这是我的Javascript: var cellArray; var knight = "<img src=\"Knight.png" + "\">"; var pit = "<img src=\"Pit.png" + "\">"; var princess = "<img src=\"princess.png" + "\">";
var cellArray;
var knight = "<img src=\"Knight.png" + "\">";
var pit = "<img src=\"Pit.png" + "\">";
var princess = "<img src=\"princess.png" + "\">";
function makeCells()
{
cellArray = new Array(
[
document.getElementById("c1"),
document.getElementById("c2"),
document.getElementById("c3"),
document.getElementById("c4")],
[ document.getElementById("c5"),
document.getElementById("c6"),
document.getElementById("c7"),
document.getElementById("c8")],
[ document.getElementById("c9"),
document.getElementById("c10"),
document.getElementById("c11"),
document.getElementById("c12")],
[ document.getElementById("c13"),
document.getElementById("c14"),
document.getElementById("c15"),
document.getElementById("c16")
]);
placePictures();
}
function placePictures()
{
// var princess = document.createElement("img");
// princess.src = "princess.png";
// var pit = document.createElement("img");
// pit.src = "Pit.png";
//var randomArrayElement = Math.floor(Math.random() * (16));
for(i = 0; i < 4; i++)
{
for(j = 0; j < 4; j++)
{
if(i == 0 && j == 0)
{
cellArray[i][j].innerHTML = knight;;
for(k = 0; k < 3; k++)
{
var row = Math.floor(Math.random() * (3));
var col = Math.floor(Math.random() * (3));
if(row !== 0 && col !== 0 || row !== col || row !== 3 && col !== 3)
cellArray[row][col].innerHTML = pit;
}
}
if(i == 3 && j == 3)
{
cellArray[i][j].innerHTML = princess;
}
}
}
for(i = 0; i < 4; i++)
{
for(j = 0; j < 4; j++)
{
if(cellArray[i][j].innerHTML == "")
cellArray[i][j].innerHTML = "<img src = Floor.png>";
}
}
}
function clickIt(row, col)
{
var top = (row - 1);
var bottom = (row + 1);
var left = (col - 1);
var right = (col + 1);
var temp = cellArray[row][col].innerHTML;
if(cellArray[top][col].innerHTML === knight && cellArray[row][col].innerHTML !== pit)
{
cellArray[row][col].innerHTML = cellArray[top][col].innerHTML;
cellArray[top][col].innerHTML = temp;
}
else if(cellArray[bottom][col].innerHTML === knight && cellArray[row][col].innerHTML !== pit)
{
cellArray[row][col].innerHTML = cellArray[bottom][col].innerHTML;
cellArray[bottom][col].innerHTML = temp;
}
else if(cellArray[row][left].innerHTML === knight && cellArray[row][col].innerHTML !== pit)
{
cellArray[row][col].innerHTML = cellArray[row][left].innerHTML;
cellArray[row][left].innerHTML = temp;
}
else if(cellArray[row][right].innerHTML === knight && cellArray[row][col].innerHTML !== pit)
{
cellArray[row][col].innerHTML = cellArray[row][right].innerHTML;
cellArray[row][right].innerHTML = temp;
}
else
{
alert("NOPE");
}
alert("End");
}
var射线;
var knight=“”;
var pit=“”;
var公主=”;
函数makeCells()
{
新数组(
[
文件.getElementById(“c1”),
文件.getElementById(“c2”),
文档.getElementById(“c3”),
document.getElementById(“c4”)],
[文件.getElementById(“c5”),
文档.getElementById(“c6”),
document.getElementById(“c7”),
document.getElementById(“c8”)],
[文件.getElementById(“c9”),
document.getElementById(“c10”),
document.getElementById(“c11”),
document.getElementById(“c12”)],
[文件.getElementById(“c13”),
document.getElementById(“c14”),
document.getElementById(“c15”),
document.getElementById(“c16”)
]);
placePictures();
}
函数placePictures()
{
//var公主=document.createElement(“img”);
//princess.src=“princess.png”;
//var pit=document.createElement(“img”);
//pit.src=“pit.png”;
//var randomArrayElement=Math.floor(Math.random()*(16));
对于(i=0;i<4;i++)
{
对于(j=0;j<4;j++)
{
如果(i==0&&j==0)
{
cellArray[i][j].innerHTML=knight;;
对于(k=0;k<3;k++)
{
var row=Math.floor(Math.random()*(3));
var col=Math.floor(Math.random()*(3));
如果(行!==0&&col!==0 | |行!==col | |行!==3&&col!==3)
光线[行][col].innerHTML=pit;
}
}
如果(i==3&&j==3)
{
cellArray[i][j].innerHTML=公主;
}
}
}
对于(i=0;i<4;i++)
{
对于(j=0;j<4;j++)
{
if(ray[i][j].innerHTML==“”)
[i][j].innerHTML=“”;
}
}
}
函数单击它(行、列)
{
var top=(第1行);
变量底部=(行+1);
左向量=(列-1);
右向量=(列+1);
var temp=ray[row][col].innerHTML;
如果(cellArray[top][col].innerHTML==knight&&cellArray[row][col].innerHTML!==pit)
{
cellArray[row][col].innerHTML=cellArray[top][col].innerHTML;
雷[top][col].innerHTML=temp;
}
else if(ceralray[bottom][col].innerHTML==knight&&ceralray[row][col].innerHTML!==pit)
{
cellArray[row][col].innerHTML=cellArray[bottom][col].innerHTML;
光线[bottom][col].innerHTML=temp;
}
else if(ceralray[row][left]。innerHTML==knight&&ceralray[row][col]。innerHTML!==pit)
{
cellArray[row][col]。innerHTML=cellArray[row][left]。innerHTML;
光线[行][左].innerHTML=temp;
}
else if(ceralray[row][right]。innerHTML==knight&&ceralray[row][col]。innerHTML!==pit)
{
cellArray[row][col].innerHTML=cellArray[row][right].innerHTML;
光线[行][右].innerHTML=temp;
}
其他的
{
警报(“NOPE”);
}
警报(“结束”);
}
HTML:
移动迷宫
我发现您的顶部、底部、右侧变量跨越了cellArray的边界(顶部变为-1,底部、右侧变为4),我建议您尝试使用此代码,并根据需要修改它:
var射线;
var knight=“”;
var pit=“”;
var公主=”;
函数makeCells()
{
新数组(
[
文件.getElementById(“c1”),
文件.getElementById(“c2”),
文档.getElementById(“c3”),
document.getElementById(“c4”)],
[文件.getElementById(“c5”),
文档.getElementById(“c6”),
document.getElementById(“c7”),
document.getElementById(“c8”)],
[文件.getElementById(“c9”),
document.getElementById(“c10”),
document.getElementById(“c11”),
document.getElementById(“c12”)],
[文件.getElementById(“c13”),
document.getElementById(“c14”),
document.getElementById(“c15”),
document.getElementById(“c16”)
]);
placePictures();
}
函数placePictures()
{
//var公主=document.createElement(“img”);
//princess.src=“princess.png”;
//var pit=document.createElement(“img”);
//pit.src=“pit.png”;
//var randomArrayElement=Math.floor(Math.random()*(16));
对于(i=0;i<4;i++)
{
对于(j=0;j<4;j++)
{
如果(i==0&&j==0)
{
雷[i][j].innerHTML=knight;
;
对于(k=0;k<3;k++)
{
var row=Math.floor(Math.random()*(3));
var col=Math.floor(Math.random()*(3));
如果(行!==0&&col!==0 | |行!==col | |行!==3
<html>
<head>
<title>Maze Runner</title>
<script src="javascriptMazeRunner.js"></script>
<link rel="stylesheet" type="text/css" href="MazeRunnerCSS.css"/>
</head>
<body onload="makeCells()">
<form id="MainForm">
<table id="MazeTable">
<tr id="Row1">
<td id="c1" class="Blue" onclick="clickIt(0,0)"></td>
<td id="c2" class="Blue" onclick="clickIt(0,1)"></td>
<td id="c3" class="Blue" onclick="clickIt(0,2)"></td>
<td id="c4" class="Blue" onclick="clickIt(0,3)"></td>
</tr>
<tr id="Row2">
<td id="c5" class="Blue" onclick="clickIt(1,0)"></td>
<td id="c6" class="Blue" onclick="clickIt(1,1)"></td>
<td id="c7" class="Blue" onclick="clickIt(1,2)"></td>
<td id="c8" class="Blue" onclick="clickIt(1,3)"></td>
</tr>
<tr id="Row3">
<td id="c9" class="Blue" onclick="clickIt(2,0)"></td>
<td id="c10" class="Blue" onclick="clickIt(2,1)"></td>
<td id="c11" class="Blue" onclick="clickIt(2,2)"></td>
<td id="c12" class="Blue" onclick="clickIt(2,3)"></td>
</tr>
<tr id="Row4">
<td id="c13" class="Blue" onclick="clickIt(3,0)"></td>
<td id="c14" class="Blue" onclick="clickIt(3,1)"></td>
<td id="c15" class="Blue" onclick="clickIt(3,2)"></td>
<td id="c16" class="Blue" onclick="clickIt(3,3)"></td>
</tr>
</table>
</form>
</body>
</html>
cellArray[top][col].innerHTML
cellArray[-1][-1].innerHTML