cover today? 0 Rise of "JavaScript-driven Native" 0 Intro to NativeScript O NativeScript core concepts 0“Hello World” 0 Extending with plugins 0 Debugging JavaScript ## Why are we here? How did "JavaScript-Driven Native" ## Native UI driven by JavaScript Native App Native UI Native APIs JavaScript-to-Native bridge JavaScript Engine (Your app code runs here) ## N ## JavaScript-Driven c094296d3524a01c19342f25/p18_1.jpg) ## Native App Native UI Native APIs ## JavaScript-to-Native runtime JavaScript Engine (Your app code runs here) Plugin s Plugin s • Plugins created with

## Performance ## Lets dive into Performance issues • Everything in JavaScript defaults to being on the same thread. Too much work on main thread • Android nested layouts • Functions and objects defined Explore the possibility of building truly native, cross-platform mobile applications using your JavaScript skill—NativeScript! Nathan Walker, Nathaniel J. Anderson Foreword to 13 Wanfoll Principal

☐ ☐ ☐ ? × ⚠ Installed Blank (JavaScript) Search (Ctrl+E) Drawer Navigation (JavaScript) NativeScript Type: NativeScript NativeScript Tab Navigation (JavaScript) Simple template with Drawer navigation navigation for Vanilla NativeScript apps using JavaScript Online Not finding what you are looking for? Open Visual Studio Installer DrawerNavigation1 C:\Users\totev\source\repos DrawerNavigation1

[Image](/uploads/documents/d/e/0/e/de0efa12ad60ec1a22186e72e549a851/p4_1.jpg) React Native is an open-source JavaScript framework, designed for building apps on multiple platforms. Flutter, is an open source framework reload - Javascript ecosystem - Single codebase - Hot reload - Rendering Engine ## 利用 Rust 重塑移动应用开发 ## 跨平台开发的优势和局限性 ## Pros: - Fast - Single Codebase Third-party support (Javascript better than mobile application developed with React native. Due to some computationally intensive tasks, using Javascript is very poor. Therefore, we plan to use Rust to provide high performance Share Logic The same

Platform name Platform version Device name Application path https://appium.io/slate/en/master/?javascript#appium-server-capabilities ## Demo ## Ready To Execute Note: Device name App path $ npm run

automatic – see ARC) - Swift COM - AddRef() /Release() - Non-Reference counted - .NET - JVM - JavaScript THE GARBAGE COLLECTION HANDBOOK The Art of Automatic Memory Management ![Image](/upload

james') return JSON.stringify(z); }; number of iteration: 1 Run 前段链接 Wasm Mock Server • 可用 Javascript 在游览器里面模拟数据 · 发 RPC 请求 • 可以上传 proto 文档 · 可以验证数据 ## 支持以 websocket 代替 wasm 协议 ![Image](/uploa

- 很多初学者都会错误使用 ☐ 读取元素，他以为找不到键值会报错，结果他不报错，默默创建了个 0 返回给你，导致实际报错的地方滞后，没发现错误在 map 的读取这里，严重影响他的调试效率（javascript 的 undefined 直呼内行）。 ## 写入 map 元素 • map m; • 写入 map 中指定键值的元素有两种方法。 • m["key"]