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JavaScript实现简单的Bingo卡片

2017-11-01 20:42 495 查看

HTML：

<!DOCTYPE html>
<html>
<head>
<title>Bingo Card</title>
<link rel="stylesheet" type="text/css" href="bingo.css">
<script type="text/javascript" src="bingo.js"></script>
</head>
<body>
<h1>Create a Bingo Card</h1>
<table>
<tr>
<th>B</th>
<th>I</th>
<th>N</th>
<th>G</th>
<th>O</th>
</tr>
<tr>
<td id="square0"> </td>
<td id="square5"> </td>
<td id="square10"> </td>
<td id="square14"> </td>
<td id="square19"> </td>
</tr>
<tr>
<td id="square1"> </td>
<td id="square6"> </td>
<td id="square11"> </td>
<td id="square15"> </td>
<td id="square20"> </td>
</tr>
<tr>
<td id="square2"> </td>
<td id="square7"> </td>
<td id="free">Free</td>
<td id="square16"> </td>
<td id="square21"> </td>
</tr>
<tr>
<td id="square3"> </td>
<td id="square8"> </td>
<td id="square12"> </td>
<td id="square17"> </td>
<td id="square22"> </td>
</tr>
<tr>
<td id="square4"> </td>
<td id="square9"> </td>
<td id="square13"> </td>
<td id="square18"> </td>
<td id="square23"> </td>
</tr>
</table>
<p><a href="bingo.html" id="reload">Click Here </a>to create a new card</p>
</body>
</html>

CSS：

body {
background-color: white;
color: black;
font-size: 20px;
font-family: "Lucida Grande", Verdana, Arial;
}

h1, th {
font-family: Georgia, "Times New Roman", Times, serif;
}

h1 {
font-size: 28px;
}

table {
border-collapse: collapse;
}

th, td {
padding: 10px;
border: 2px #666 solid;
text-align: center;
width: 20%;
}

#free, .pickedBG {
background-color: #41EAFB;
}

JS：

window.onload = initAll;
var usedNums = new Array(76);

function initAll() {
if(document.getElementById) {
document.getElementById("reload").onclick = anotherCard;
newCard();
}
else {
alert("Sorry, Your browser doesn't support this script.")
}
}

function newCard() {
for(var i = 0; i < 24; i++) {
setSquare(i);
}
}

function setSquare(thisSquare) {
var currSquare = "square" + thisSquare;
var colPlace = new Array(0,0,0,0,0,1,1,1,1,1,2,2,2,2,3,3,3,3,3,4,4,4,4,4);
var colBasis = colPlace[thisSquare] * 15;
var newNum;

do {
newNum = colBasis + getNewNum() + 1;
} while(usedNums[newNum]);

usedNums[newNum] = true;
document.getElementById(currSquare).innerHTML = newNum;
}

function getNewNum() {
return Math.floor(Math.random()*15);
}

function anotherCard() {
for(var i = 0; i < usedNums.length; i++) {
usedNums[i] = false;
}

newCard();
return false;
}

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