URLSearchParamsbeginner

URLSearchParams#size — decreases after delete

📖 Usage Example

const p = new URLSearchParams('x=1')
p.delete('x')
p.size  // → 0

size reflects the current state after mutations like delete().

URLSearchParams#size — delete

delete() removes all entries for a key, decreasing size accordingly.

Challenge: Verify size after delete().

💡 Hints (1)

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