数组去重
- function getOne(a,b){
- var arr = a.concat(b);
- return arr.filter(function(item,index){
- return arr.indexOf(item) === index;
- })
- }
- var a = ["aaa","bbb","ccc","ddd","eee"];
- var b = ["ccc","ddd","eee","fff","gg"];
- console.log(getOne(a,b))
- function getOne(a,b){
- var arr1 = a.concat(b)
- var arr2 = [];
- var obj = {};
- for(var i of arr1){
- if(!obj[i]){
- arr2.push(i)
- obj[i] = 111
- }
- }
- return arr2
- }
- var a = ["aaa","bbb","ccc","ddd","eee"];
- var b = ["ccc","ddd","eee","fff","gg"];
- console.log(getOne(a,b))
来源: http://www.bubuko.com/infodetail-3377775.html