console.log(NaN === NaN); - 木雷双雄7 - 沸点 - 掘金

前端

#创意代码大赏#
console.log(NaN === NaN);
console.log([NaN].indexOf(NaN)); // ===
console.log(Object.is(NaN, NaN)); // SameValue
console.log([NaN].includes(NaN)); // SameValueZero
console.log(0 === -0);
console.log([0].indexOf(-0)); // ===
console.log(Object.is(+0, -0)); // SameValue
console.log([0].includes(-0)); // SameValueZero

展开

技术交流圈