Tencent IMWeb Frontend Team

May 4, 2017 · Mobile Development

How React Native Bridges JavaScript and Objective‑C: A Step‑by‑Step Guide

This article explains how React Native leverages iOS’s JavaScriptCore to enable seamless JavaScript‑to‑Objective‑C communication, covering module registration, callback handling, event listening with NativeAppEventEmitter, building native UI components, the module configuration table, and the detailed call flow between JS and native code.