<script>
function runSlots() {
var slotOne;
var slotTwo;
var slotThree;
var images = ["https://www.w3cschool.cn/statics/codecamp/images/9H17QFk.png", "https://www.w3cschool.cn/statics/codecamp/images/9RmpXTy.png", "https://www.w3cschool.cn/statics/codecamp/images/VJnmtt5.png"];
slotOne = Math.floor(Math.random() * (3 - 1 + 1)) + 1;
slotTwo = Math.floor(Math.random() * (3 - 1 + 1)) + 1;
slotThree = Math.floor(Math.random() * (3 - 1 + 1)) + 1;
// Only change code below this line.
$($(‘.slot‘)[0]).html(‘<img src = "‘ + images[slotOne-1] + ‘">‘);
$($(‘.slot‘)[1]).html(‘<img src = "‘ + images[slotTwo-1] + ‘">‘);
$($(‘.slot‘)[2]).html(‘<img src = "‘ + images[slotOne-1] + ‘">‘);
// Only change code above this line.
if (slotOne === slotTwo && slotTwo === slotThree) {
$(‘.logger‘).html("It‘s A Win");
return null;
}
if (slotOne !== undefined && slotTwo !== undefined && slotThree !== undefined){
$(".logger").html(slotOne + " " + slotTwo + " " + slotThree);
}
$(‘.logger‘).append(" Not A Win");
return [slotOne, slotTwo, slotThree];
}
$(document).ready(function() {
$(‘.go‘).click(function() {
runSlots();
});
});
</script>
<div>
<div class = ‘container inset‘>
<div class = ‘header inset‘>
<img src=‘/statics/codecamp/images/freecodecamp_logo.svg‘ alt=‘learn to code JavaScript at Free Code Camp logo‘ class=‘img-responsive nav-logo‘>
<h2>FCC Slot Machine</h2>
</div>
<div class = ‘slots inset‘>
<div class = ‘slot inset‘>
</div>
<div class = ‘slot inset‘>
</div>
<div class = ‘slot inset‘>
</div>
</div>
<br/>
<div class = ‘outset‘>
<button class = ‘go inset‘>
Go
</button>
</div>
<br/>
<div class = ‘foot inset‘>
<span class = ‘logger‘></span>
</div>
</div>
</div>
<style>
.slot > img {
margin: 0!important;
height: 71px;
width: 50px;
}
.container {
background-color: #4a2b0f;
height: 400px;
width: 260px;
margin: 50px auto;
border-radius: 4px;
}
.header {
border: 2px solid #fff;
border-radius: 4px;
height: 55px;
margin: 14px auto;
background-color: #457f86
}
.header h2 {
height: 30px;
margin: auto;
}
.header h2 {
font-size: 14px;
margin: 0 0;
padding: 0;
color: #fff;
text-align: center;
}
.slots{
display: flex;
background-color: #457f86;
border-radius: 6px;
border: 2px solid #fff;
}
.slot{
flex: 1 0 auto;
background: white;
height: 75px;
width: 50px;
margin: 8px;
border: 2px solid #215f1e;
border-radius: 4px;
text-align: center;
}
.go {
width: 100%;
color: #fff;
background-color: #457f86;
border: 2px solid #fff;
border-radius: 2px;
box-sizing: none;
outline: none!important;
}
.foot {
height: 150px;
background-color: 457f86;
border: 2px solid #fff;
}
.logger {
color: white;
margin: 10px;
}
.outset {
-webkit-box-shadow: 0px 0px 15px -2px rgba(0,0,0,0.75);
-moz-box-shadow: 0px 0px 15px -2px rgba(0,0,0,0.75);
box-shadow: 0px 0px 15px -2px rgba(0,0,0,0.75);
}
.inset {
-webkit-box-shadow: inset 0px 0px 15px -2px rgba(0,0,0,0.75);
-moz-box-shadow: inset 0px 0px 15px -2px rgba(0,0,0,0.75);
box-shadow: inset 0px 0px 15px -2px rgba(0,0,0,0.75);
}
</style>
原文地址：https://www.cnblogs.com/chendi618/p/11000720.html