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Published 20 hours ago • verified publisher icon nieyafei

NaN 是什么？它的类型是什么？你如何可靠地测试一个值是否等于 NaN ？ - Font-end-interview-js

Open nieyafei opened this issue 6 years ago • 1 comments

http://codehtml.cn/front-end-interview-js/#/js-nan

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nieyafei avatar Mar 20 '18 23:03 nieyafei

docs/javascript/js-nan.md
一个更好的解决办法是使用 value !== value，如果值等于NaN，只会产生true []!==[] 会产生true

gexin1 avatar Jun 14 '21 10:06 gexin1