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Apprentice

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Exam →Stats →Learning Path

URLSearchParams

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Exercises (25)

○URLSearchParams Constructor — string init
Beginner
○URLSearchParams Constructor — object init
Beginner
○URLSearchParams Constructor — array of pairs
Beginner
○URLSearchParams Constructor — empty
Beginner
○URLSearchParams Constructor — from URL.searchParams
Intermediate
○URLSearchParams#get() — returns value for key
Beginner
○URLSearchParams#get() — returns null for missing key
Beginner
○URLSearchParams#getAll() — all values for key
Intermediate
○URLSearchParams#has() — check key existence
Beginner
○URLSearchParams#getAll() — empty array fallback for missing keys
Advanced
○URLSearchParams#append() — adds without removing existing
Beginner
○URLSearchParams#append() — size increases
Beginner
○URLSearchParams#delete() — removes entry
Beginner
○URLSearchParams#delete() — non-existent key is no-op
Beginner
○URLSearchParams#toString() — serializes params
Beginner
○URLSearchParams#keys() — iterate over keys
Beginner
○URLSearchParams#values() — iterate over values
Beginner
○URLSearchParams#entries() — iterate over key-value pairs
Advanced
○URLSearchParams#forEach() — iterate with callback
Intermediate
○URLSearchParams#sort() — sort by key name
Intermediate
○URLSearchParams#size — empty params is 0
Beginner
○URLSearchParams#size — increases after append
Beginner
○URLSearchParams#size — set does not add duplicate
Intermediate
○URLSearchParams#size — decreases after delete
Beginner
○URLSearchParams#size — from string init
Beginner