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js5.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>IFE JavaScript Task 01</title>
</head>
<style>
ul{
list-style: none;
}
ul li{
display: block;
margin-left:20px;
float:left;
background:red;
vertical-align: middle;
line-height: 40px;
text-align: center;
width:40px;
height:40px;
font-weight: bold;
color:#FFF;
}
</style>
<body>
<label>请输入数字：<input id="aqi-input" type="text"></label>
<button >左侧入</button>
<button >右侧入</button>
<button >左侧出</button>
<button >右侧出</button>
<button id="sort-btn">排序</button>
<ul id="number">
<li>10</li>
<li>3</li>
<li>7</li>
<li>12</li>
<li>11</li>
<li>30</li>
</ul>
<ul id="resort">
</ul>
<script type="text/javascript">
var input=document.getElementById("aqi-input");
var button=document.getElementsByTagName("button");
var ul=document.getElementById("number");
var li=ul.getElementsByTagName("li");
var ull=document.getElementById("resort");
(function() {
for(var i=0;i<li.length;i++){
li[i].style.height=li[i].innerHTML+"px";
}
button[0].onclick=function(){
if(li.length<10){
if(!isNaN(input.value)&&input.value>=10&&input.value<=100){
ul.appendChild(document.createElement("li")).innerHTML=input.value;
li[li.length-1].style.height=input.value+"px";
}
else{
alert("请输入数字");
input.value="";
}
}
else{
alert("已超过输入数量");
}
}
button[1].onclick=function(){
if(li.length<10){
if(!isNaN(input.value)&&input.value>=10&&input.value<=100){
ul.insertBefore(document.createElement("li"),li[0]).innerHTML=input.value;
li[0].style.height=input.value+"px";
}
else{
alert("请输入数字");
input.value="";
}
}
else{
alert("已超过输入数量");
}
}
button[2].onclick=function(){
alert(li[0].innerHTML);
ul.removeChild(li[0]);
}
button[3].onclick=function(){
var sum=li.length-1;
alert(li[sum].innerHTML);
ul.removeChild(li[sum]);
}
for(var i=0;i<li.length;i++){
li[i].addEventListener( "click",function(){
ul.removeChild(this);
alert(this.innerHTML);
});
}
button[4].onclick=function(){
getclick();
}
})();
function getclick(){
var lii=ull.getElementsByTagName("li");
if(ull.getElementsByTagName("li").length==0){
btnHandle();
}
else{
for(var i = lii.length - 1; i >= 0; i--){
ull.removeChild(lii[i]);
}
btnHandle();
}
}
function getData() {
var data=[];
for(var i=0;i<li.length;i++){
data.push(li[i].innerHTML);
}
return data;
}
function sortAqiData(data) {
for(var i=0;i<data.length-1;i++){
for(var j=0;j<data.length-i-1;j++){
if(data[j]-0>data[j+1]-0){
var swap=data[j]-0;
data[j]=data[j+1];
data[j+1]=swap;
}
}
}
return data;
}
function render(data) {
data.forEach(function(element, index, array){
ull.appendChild(document.createElement("li")).innerHTML+=element;
});
return data
}
function btnHandle() {
var aqiData = getData();
aqiData = sortAqiData(aqiData);
render(aqiData);
var lii=ull.getElementsByTagName("li");
for(var i=0;i<lii.length;i++){
lii[i].style.height=lii[i].innerHTML+"px";
}
}
</script>
</body>
</html>