🌐|

Apprentice

0 XP

Exam →Stats →Learning Path

Date

0 / 120 completed (0%)

Exercises (120)

○Date Constructor — Unix epoch (0 ms)
Beginner
○Date Constructor — date string
Beginner
○Date Constructor — year, month, day args
Beginner
○Date Constructor — typeof result
Beginner
○Date Constructor — all time components
Intermediate
○Date.now() — returns a number
Beginner
○Date.now() — result is positive
Beginner
○Date.now() — integer milliseconds
Beginner
○Date.now() — after year 2020
Beginner
○Date.now() — consistent with new Date().getTime()
Intermediate
○Date.parse() — epoch string returns 0
Beginner
○Date.parse() — 2024 date is positive
Beginner
○Date.parse() — returns a number
Beginner
○Date.parse() — invalid string returns NaN
Intermediate
○Date.parse() — epoch boundary (1970-01-01)
Intermediate
○Date.UTC() — epoch returns 0
Beginner
○Date.UTC() — 2024 date is positive
Beginner
○Date.UTC() — returns a number
Beginner
○Date.UTC() — 1 second after epoch
Intermediate
○Date.UTC() — UTC month verification
Intermediate
○getFullYear() — returns 2024
Beginner
○getFullYear() — epoch year is 1970
Beginner
○getFullYear() — year 2000
Beginner
○getFullYear() — result is a number
Beginner
○getFullYear() — after setFullYear()
Intermediate
○getMonth() — January is 0
Beginner
○getMonth() — December is 11
Beginner
○getMonth() — June is 5
Beginner
○getMonth() — result is an integer
Beginner
○getMonth() — 12-month cycle
Intermediate
○getDate() — day 15
Beginner
○getDate() — first day of month
Beginner
○getDate() — last day of January (31)
Beginner
○getDate() — result is a number
Beginner
○getDate() — first day via Date constructor
Beginner
○getDay() — Monday is 1
Beginner
○getDay() — Sunday is 0
Beginner
○getDay() — Saturday is 6
Beginner
○getDay() — result is between 0 and 6
Beginner
○getDay() — result is a number
Beginner
○getHours() — returns 12
Beginner
○getHours() — midnight is 0
Beginner
○getHours() — 23 (last hour)
Beginner
○getHours() — result is a number
Beginner
○getHours() — comparison of two dates
Intermediate
○getMinutes() — returns 30
Beginner
○getMinutes() — returns 0
Beginner
○getMinutes() — returns 59
Beginner
○getMinutes() — result is a number
Beginner
○getMinutes() — after construction with full args
Intermediate
○getSeconds() — returns 45
Beginner
○getSeconds() — returns 0
Beginner
○getSeconds() — returns 59
Beginner
○getSeconds() — result is a number
Beginner
○getSeconds() — after construction with full args
Intermediate
○getMilliseconds() — returns 500
Beginner
○getMilliseconds() — returns 0
Beginner
○getMilliseconds() — returns 999
Beginner
○getMilliseconds() — result is a number
Beginner
○getMilliseconds() — after construction with full args
Intermediate
○getTime() — epoch returns 0
Beginner
○getTime() — 2024 date is positive
Beginner
○getTime() — result is a number
Beginner
○getTime() — same date, same timestamp
Intermediate
○getTime() — used for date comparison
Intermediate
○getUTCFullYear() — returns 2024
Beginner
○getUTCFullYear() — epoch year is 1970
Beginner
○getUTCFullYear() — result is a number
Beginner
○getUTCFullYear() — via Date.UTC()
Intermediate
○getUTCFullYear() — comparison
Intermediate
○getUTCMonth() — January is 0
Beginner
○getUTCMonth() — June is 5
Beginner
○getUTCMonth() — December is 11
Beginner
○getUTCMonth() — result is a number
Beginner
○getUTCMonth() — epoch month is 0
Beginner
○getUTCDate() — day 15
Beginner
○getUTCDate() — day 1
Beginner
○getUTCDate() — range 1–31
Beginner
○getUTCDate() — result is a number
Beginner
○getUTCDate() — epoch day is 1
Beginner
○setFullYear() — set to 2025
Beginner
○setFullYear() — returns a number
Beginner
○setFullYear() — date is mutated
Beginner
○setFullYear() — set to 1990
Beginner
○setFullYear() — chaining with getFullYear()
Intermediate
○setMonth() — set to 5 (June)
Beginner
○setMonth() — returns a timestamp
Beginner
○setMonth() — mutates the date
Beginner
○setMonth() — set to 0 (January)
Beginner
○setMonth() — set to 11 (December)
Intermediate
○setDate() — set to day 1
Beginner
○setDate() — set to day 28
Beginner
○setDate() — returns a number
Beginner
○setDate() — mutates the date
Beginner
○setDate() — overflow rolls to next month
Intermediate
○toISOString() — epoch string
Beginner
○toISOString() — contains "T" separator
Beginner
○toISOString() — ends with "Z"
Beginner
○toISOString() — length is 24
Intermediate
○toISOString() — includes year 2024
Beginner
○toDateString() — returns a string
Beginner
○toDateString() — includes year 2024
Beginner
○toDateString() — includes day 15
Beginner
○toDateString() — result length > 0
Beginner
○toDateString() — result is truthy
Beginner
○toUTCString() — returns a string
Beginner
○toUTCString() — epoch includes "1970"
Beginner
○toUTCString() — includes "GMT"
Beginner
○toUTCString() — result is truthy
Beginner
○toUTCString() — 2024 date includes "2024"
Beginner
○toJSON() — epoch returns ISO string
Beginner
○toJSON() — same as toISOString()
Intermediate
○toJSON() — returns a string
Beginner
○toJSON() — ends with "Z"
Beginner
○toJSON() — includes year
Beginner
○valueOf() — epoch returns 0
Beginner
○valueOf() — same as getTime()
Intermediate
○valueOf() — result is a number
Beginner
○valueOf() — positive for modern dates
Beginner
○valueOf() — used in arithmetic
Intermediate