JS for循环星期一到星期五，数组要用length属性

Question

JS for循环星期一到星期五，数组要用length属性。

Answer 1

var arr = ["星期一","星期二","星期三","星期四","星期五"];
for(var i=0;i<arr.length;i++){
  console.log(arr[i])
}