当我将null/undefined
值保存到localStorage
中时。使用localStorage.getItem
时收到的结果将是字符串("null" or "undefined"
)
localStorage.setItem("item1",null)
localStorage.setItem("item2",undefined)
const item1 = localStorage.getItem("item1")
const item2 = localStorage.getItem("item2")
console.log(item1) // The result will be "null" not null
console.log(item2) // The result will be "undefined" not undefined
任何人都可以为我解释这种情况!