动态生成的div id相同?

Question

or(var i=0;i<3;i++){                console.log(i)                 creatDiv(i);                                  }function creatDiv(item){<span id="div'+ item +'" class="personId"></span>}为何为何打印出span的id均是div0

Answer 1

function creatDiv(id){    return `<span id="${id}" class="personId"></span>`
}

Answer 2

var i 换成let i