what js

Based on the search results, "js" is not a clear or specific term. The search results include references to a K-pop song titled "What is Love?" by the group Twice), a song titled "What Is Love" by Haddaway, and a lyricist named J.Y. Park who is credited on a song titled "What is Love?". Additionally, there is a computer glossary website called WhatIs.com and a definition for the phrase "what is" on Merriam-Webster. Without more context or information, it is impossible to determine what "js" refers to.