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isLeapYear in TypeScript
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| function isLeapYear(year: number) { | |
| return new Date(year, 1, 29).getDate() === 29 | |
| } | |
| export default isLeapYear |
当赏
好活
好活
这个还得实例化，直接year除以4效率更高吧？
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。
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👍
好活🔥
fantastic
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好活