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ThaddeusJiang/isLeapYear.js

Last active October 19, 2022 04:59
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isLeapYear in TypeScript
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isLeapYear.js
function isLeapYear(year: number) {
return new Date(year, 1, 29).getDate() === 29
}
export default isLeapYear
@lhyUnited
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好活

@BedrockDigger
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当赏

@garily
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garily commented Feb 14, 2021

好活

@lychees
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lychees commented Feb 14, 2021

好活

@llkhs
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llkhs commented Feb 14, 2021

这个还得实例化，直接year除以4效率更高吧？

@ThaddeusJiang
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这个还得实例化，直接year除以4效率更高吧？

1900 并不是闰年，
年被 100 整除时，需要同时被 400 整除才是闰年。

@Dream4ever
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这个还得实例化，直接year除以4效率更高吧？

1900 并不是闰年，
年被 100 整除时，需要同时被 400 整除才是闰年。

啊，可惜不能用emoji给你点赞。手动点个赞👍

@daiwa233
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好活🔥

@agatsumayuki
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fantastic

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