迭代内联定义的数组[重复]

Question

如何利用这种for循环结构遍历内联定义的数组并访问数组的值？

for(let prop in ["Alan", "Jeff", "Sarah", "Ryan"]){
   //"Alan"
   //"Jeff"
   //"Sarah"
   //"Ryan"
}

Answer 1

您应该使用of 而不是in

for(let prop of ["Alan", "Jeff", "Sarah", "Ryan"]){
    console.log(prop);
}

将输出：

Alan
Jeff
Sarah
Ryan