求教JS自增数组的增减！

Question

通过JS自增添加到数组里面：varsecond=[];for(vari=0;i

Answer 1

letsecond=['0','1','2','3','4','5','6','7','8','9'];
setInterval(()=>{
second.push(Number(second[second.length-1])+1+'')
second.shift()
console.log(second)
},1000);
这个是shift一个，push一个的实现