Client-side search engine architecture with in-memory prefix indexing and Devanagari normalization

Building an Instant Client-Side Search Engine in Vanilla JavaScript (700+ Records, Zero Dependencies)

How I built a sub-3ms, zero-dependency client-side search engine in pure JavaScript for 700+ bilingual Nepali records, featuring Devanagari Unicode normalization and URL state synchronization.

August 10, 2026 · 6 min · 1163 words · Rishav Dahal