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Apprentice

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FormData

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Exercises (15)

○FormData Constructor — instanceof check
Beginner
○FormData Constructor — typeof
Beginner
○FormData Constructor — starts empty
Beginner
○FormData Constructor — append and get
Beginner
○FormData Constructor — truthy
Beginner
○FormData — has() returns true after append
Beginner
○FormData — has() returns false for missing key
Beginner
○FormData — set() overwrites existing value
Intermediate
○FormData — append() keeps duplicate keys
Intermediate
○FormData — delete() removes a key
Beginner
○FormData — keys() yields appended key
Beginner
○FormData — values() yields appended value
Beginner
○FormData — entries() yields [key, value] pair
Intermediate
○FormData — forEach() iterates entries
Advanced
○FormData — entries() iterator has Symbol.iterator
Advanced