JavaScript? ?? ? ?? ??

JavaScript? ?? ? ?? ??? ?? Date ??? ?????. ????? ?? ? ?? ?? ???? ??? ???? ???? ??? ??? ?????.

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1. ?? ?? ??

Date ??? ??? ???? ??? ? ????.

?. ?? ?? ? ??

const now = new Date();
console.log(now); // Current date and time

?. ?? ?? ? ??

const specificDate = new Date("2023-12-31T23:59:59");
console.log(specificDate); // Output: 2023-12-31T23:59:59.000Z

?. ?, ?, ? ?? ??

const date = new Date(2023, 11, 31, 23, 59, 59); // Month is zero-based (11 = December)
console.log(date); // Output: Sun Dec 31 2023 23:59:59

?. ?????

?? ??? ?????(UTC 1970? 1? 1? ??? ???)? ???? ???? ? ????.

const timestamp = new Date(0);
console.log(timestamp); // Output: Thu Jan 01 1970 00:00:00 UTC

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2. ?? ? ?? ???? ????

Date ??? ??? ?? ??? ???? ???? ?????.

• ??: getFullYear()
• ?: getMonth()(0-11, ??? 0? 1?)
• ???: getDate()
• ??: getDay() (0-6, ??? 0? ???)
• ??: getHours()
• ?: getMinutes()
• ?: getSeconds()
• ???: getMilliseconds()

?:

const now = new Date();
console.log(now.getFullYear()); // Output: Current year
console.log(now.getMonth());    // Output: Current month (0-based)
console.log(now.getDate());     // Output: Current day of the month
console.log(now.getDay());      // Output: Current day of the week
console.log(now.getHours());    // Output: Current hour

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3. ?? ? ?? ??

setter ???? ???? ??? ?? ????? ??? ? ????.

• ?? ??: setFullYear(?)
• ? ??: setMonth(?)
• ?? ??: setDate(?)
• ?? ??: setHours(??)
• ? ??: setMinutes(?)

?:

const date = new Date();
date.setFullYear(2025);
date.setMonth(11); // December
date.setDate(25);
console.log(date); // Output: A modified date

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4. ?? ? ?? ?? ??

?. toISOString()

ISO 8601 ???? ??? ?????.

const now = new Date();
console.log(now.toISOString()); // Output: 2023-12-31T23:59:59.000Z

?. toLocaleString()

??? ??? ???? ???? ?????.

const now = new Date();
console.log(now.toLocaleString("en-US")); // Output: MM/DD/YYYY, HH:MM:SS AM/PM
console.log(now.toLocaleString("de-DE")); // Output: DD.MM.YYYY, HH:MM:SS

?. toDateString() ? toTimeString()

• toDateString(): ?? ??? ?????.
• toTimeString(): ?? ??? ?????.

const now = new Date();
console.log(now.toDateString()); // Output: Wed Dec 31 2023
console.log(now.toTimeString()); // Output: 23:59:59 GMT+0000

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5. ?? ?? ??

??? ?????? ???? ??? ??? ? ????.

?:

const date1 = new Date("2023-12-31");
const date2 = new Date("2024-01-01");
const difference = date2 - date1; // Difference in milliseconds
console.log(difference / (1000 * 60 * 60 * 24)); // Output: 1 day

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6. ?? ??

?? ???? ???? ??? ?????.

?:

const now = new Date();
console.log(now); // Current date and time

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7. ??? ??

?. UTC ??

• getUTCFullYear(), getUTCMonth(), getUTCDate() ?? ?? ??? UTC? ?????.

const specificDate = new Date("2023-12-31T23:59:59");
console.log(specificDate); // Output: 2023-12-31T23:59:59.000Z

?. ???? ??

?? ??? ??? ?? moment.js ?? date-fns? ?? ?????? ?????.

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8. ????? ??

?. ?? ?????

Date.now() ???? ?? ?????? ??? ??? ?????.

const date = new Date(2023, 11, 31, 23, 59, 59); // Month is zero-based (11 = December)
console.log(date); // Output: Sun Dec 31 2023 23:59:59

?. ??? ?????? ??

.getTime() ???? ?????.

const timestamp = new Date(0);
console.log(timestamp); // Output: Thu Jan 01 1970 00:00:00 UTC

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9. ??

• Date ??? ??? ??? ???? ? ?????.
• getter ? setter ???? ???? ?? ?? ??? ????? ?????.
• toISOString() ? toLocaleString()? ?? ?? ?? ??? ???? ?? ??? ??????.
• ?? ??? ?? moment.js ?? date-fns? ?? ?? ????? ??? ??? ???.

JavaScript? ?? ? ?? ??? ????? ?? ?? ??, ????? ? ???? ??? ??????? ??????.

?????. ?? Abhay Singh Kathayat???!
?? ?????? ??? ?? ??? ?? ?? ??? ?? ??? ??????. ?? ????? ?? ???? ??? ???? ??????? ???? ?? ??? ????? ??? ?????? ???? ?????.
? ???? ???? kaashshorts28@gmail.com?? ???? ?????.

? ??? JavaScript? ?? ? ?? ?? ?????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!