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Add files via upload
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gitubwandengsheng authored May 3, 2018
1 parent ce9b9df commit 636885a
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54 changes: 54 additions & 0 deletions js1/js-1.js
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var div=document.getElementsByTagName('div');
var colors=['red','plum','blue','green','cyan','black','pink','gray','brown'];
btnone.onclick=function(){//点击开始
c=setInterval(function(){//使用定时器
start();//调用函数
},1000)//设置时间
}
btntwo.onclick=function(){//停止按钮的
for(i=0;i<div.length;i++){//循环
div[i].style.background="#FFA600";//遍历清除颜色
}
clearInterval(c);//停止定时器
}
function start(){
for(var i=0;i<div.length;i++){//每次随机颜色时遍历将背景设置好
div[i].style.background="#FFA600";
}
var arr=new Array(3);//创建数组容纳随机数
var arr1=new Array(3);
for(var i=0;i<arr.length;i++){//创建第一组数组
var a=parseInt(Math.random()*9);
console.log(a);
if(i==0){//第一个数字直接导入数组
arr[i]=a;
}else{
for(var j=0;j<i;j++){//第二个与第三个数字进行判断
if(a==arr[j]){//如果重复从新开始
i--
}else{
arr[i]=a;
}
}
}
}
for(var i=0;i<arr1.length;i++){//同上。随机颜色
var a=parseInt(Math.random()*9);
if(i==0){
arr1[i]=a;
}else{
for(var j=0;j<i;j++){
if(a==arr1[j]){
i--
}else{
arr1[i]=a;
}
}
}
}
for(var i=0;i<arr.length;i++){
div[arr[i]].style.background=colors[arr1[i]];//将随机的颜色给随机的地址
}
}

58 changes: 58 additions & 0 deletions js1/task1.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>

</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>九宫格</title>
<style type="text/css">
div{
width:190px;
height:190px;
background:#FFA600;
float:left;
margin:10px;
border-radius: 10px;
}
body{
width:700px;
margin:0 auto;
}
button{
clear:both;
width:200px;
height:50px;
background:#FFF;
border:none;
border-radius:10px;
position:relative;
left:100px;
}
button:hover{
background:#FFA600;
}
</style>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<div></div>
<button id="btnone">开始闪</button>
<button id="btntwo">结束闪</button>
<script type="text/javascript" src="js-1.js"></script>

</body>
</html>

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