11.5笔记 数组去重

数组经典面试题

数组去重

//数组去重

var arr=[12,45,12,23,12,23];

var ass=[];

for(var i=0;i<arr.length;i++){

if(ass.indexOf(arr[i])==-1){

ass.push(arr[i])

}

}

console.log(ass)