<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
var arr=[1,1,1,1,2,4,2,3,1,6,7,3,4]
//1遍历数组值不在新数组就添加进去
function way1(){
var list=[];
var len=arr.length;
for(var i=0;i<len;i++){
if(list.indexOf(arr[i]) == -1){
list.push(arr[i]);
}
}
console.log(list);
}
//way1();
//2
function way2(){
var list=[];
var obj={};
var len=arr.length;
for(var i=0;i<len;i++){
if(!obj[arr[i]]){
obj[arr[i]]=1;
list.push(arr[i]);
}
}
console.log(list);
}
//way2();
//3
function way3(){
var list=[];
var len=arr.length;
for(var i=0;i<len;i++){
if(arr.indexOf(arr[i]) == i){
list.push(arr[i]);
}
}
console.log(list)
}
//way3();
function way4(){
arr.sort();
var list=[arr[0]];
var len=arr.length;
for(var i=1;i<len;i++){
if(arr[i] !== list[list.length-1]){
list.push(arr[i]);
}
}
console.log(list);
}
//way4();
function way5(){
var len=arr.length;
for(var i=0;i<len;i++){
for(var n=i+1;n<len;){
if(arr[i]==arr[n]){
arr.splice(n,1);
}else{
n++
}
}
}
console.log(arr);
}
//way5();
function initArray(data){
for(var i=0;i<10;i++){
data[i]=Math.ceil(Math.random()*100);
}
//return data;
}
function sortArray(data){
var _tep=0;
for(var i=0;i<data.length;i++){
for(var n=i+1;n<data.length;n++){
if(data[i]>data[n]){
_tep=data[i];
data[i]=data[n];
data[n]=_tep;
}
}
}
console.log(data);
}
function sortBubble(data){
var _tep=0;
for(var i=0;i<data.length;i++){
for(var n=0;n<data.length-i-1;n++){
if(data[n]>data[n+1]){
_tmp=data[n];
data[n]=data[n+1];
data[n+1]=_tmp;
}
}
}
console.log(data);
}
function main(){
var arr=[];
initArray(arr);
//sortArray(arr);
sortBubble(arr);
}
main();
</script>
</head>
<body>
</body>
</html>
