null and undefined
2022年5月1日小于 1 分钟
null and undefined
Question
What does the code snippet to the right output by console.log?
Snippet
console.log(JSON.stringify([1,2,null,3]))
console.log(JSON.stringify([1,2,undefined,3]))
console.log(null === undefined)
console.log(null == undefined)
console.log(null == 0)
console.log(null < 0)
console.log(null > 0)
console.log(null <= 0)
console.log(null >= 0)
console.log(undefined == 0)
console.log(undefined < 0)
console.log(undefined > 0)
console.log(undefined <= 0)
console.log(undefined >= 0)