JavaScript feels complex for almost everyone at the beginning because it’s usually the first language where you combine logic, functions, events, and web interaction together. The best way to apply it to projects is by starting small — things like buttons, calculators, form validation, or simple to-do apps.
Over time, concepts like functions and string handling become much easier through practice. This guide on JavaScript string functions also explains some commonly used functions beginners work with in real projects: JavaScript String Functions Guide (icertglobal.com)