Sejak beberapa tahun lalu, beberapa inovasi radikal telah membentuk ekosistem pembangunan web, tetapi hanya sedikit yang menarik seperti WebAssembly-atau singkatannya Wasm. Ini adalah teknologi yang digembar-gemburkan sebagai masa depan untuk aplikasi web berprestasi tinggi yang membolehkan pembangun mencipta pengalaman web yang sepantas aplikasi asli. Di bawah, kami akan menyelami lebih mendalam tentang perkara yang menjadikan WebAssembly begitu berkuasa dan sebab ia merupakan pengubah permainan untuk web, dan cara anda boleh mula memanfaatkannya untuk menambah baik aplikasi anda.
Apakah itu WebAssembly?
WebAssembly, lebih biasa dirujuk sebagai Wasm, ialah format arahan binari yang berjalan pada kelajuan hampir asli dalam penyemak imbas. Ia membolehkan kod yang ditulis dalam bahasa yang disusun ke dalamnya, seperti C, C , Rust dan lain-lain, untuk dijalankan terus dalam penyemak imbas. WebAssembly berjalan lebih pantas dengan margin yang besar kerana ia menggunakan kod mesin yang telah dikompilasi, manakala JavaScript ditafsirkan.
Dalam erti kata lain, WebAssembly membenarkan pembangun Web mencipta aplikasi yang memerlukan pengiraan yang berat, seperti penyuntingan video, permainan atau pemodelan 3D, terus dalam penyemak imbas tanpa penalti prestasi.
Mengapa WebAssembly ialah Pengubah Permainan untuk Web
- Prestasi Membara Mungkin salah satu sebab terkuat untuk menggunakan WebAssembly ada kaitan dengan prestasi. Wasm membenarkan penyusunan kod dalam bahasa peringkat rendah, justeru memberikan prestasi yang serupa dengan aplikasi desktop asli. Ini amat bagus untuk apl yang memerlukan pemprosesan berat, seperti simulasi saintifik, pemaparan video dan juga aplikasi permainan berat.
Fikirkan permainan yang dibangunkan dalam Unity atau editor 3D yang canggih. Sehingga kini, seseorang itu perlu kembali menggunakan aplikasi asli untuk menjalankan aplikasi kelas berat tersebut. Walau bagaimanapun, dengan WebAssembly, aplikasi sedemikian boleh dijalankan dengan lancar pada mana-mana penyemak imbas moden, membolehkan pengguna berinteraksi dengan aplikasi ini tanpa perlu memuat turun dan memasangnya.
- Keserasian merentas platform WebAssembly menyediakan keserasian dalam semua penyemak imbas utama, seperti Chrome, Firefox, Safari dan Edge, antara lain. Ini bermakna pembangun boleh menulis sekali dan pastikan bahawa pelaksanaan akan dijalankan di mana-mana sahaja tanpa isu keserasian atau ketidakserasian dalam tingkah laku penyemak imbas. Dalam hal ini, ia menjimatkan masa dan sumber pembangun.
Selain sokongan penyemak imbas, beberapa pembangunan daripada penyemak imbas mula menggunakan Wasm. Ia semakin digunakan dalam persekitaran tanpa pelayan, pada pengkomputeran awan, dan juga dalam peranti IoT. Kepelbagaian platform merentas platform ini benar-benar menjadikannya alat yang lebih berharga untuk pembangun.
Keselamatan yang Dipertingkat
WebAssembly berjalan dalam persekitaran yang sangat selamat berkat kotak pasirnya. Berkenaan dengan kawalan ketat ruang pelaksanaan, WebAssembly memastikan bahawa kod berniat jahat mempunyai peluang minimum untuk menjejaskan sistem. Sebagai contoh, walaupun dalam kes beberapa jenis kelemahan dalam modul Wasm, ia dipotong daripada seluruh aplikasi dan sistem pengendalian. Oleh itu, ia mengurangkan kebarangkalian beberapa serangan limpahan penimbal atau kerosakan memori.Fleksibiliti kepada Pembangun
Satu lagi perkara hebat tentang WebAssembly ialah ia adalah agnostik bahasa. Hubungan dengan JavaScript akhirnya terputus! Ingin menulis logik aplikasi anda dalam Rust atau C ? Dengan WebAssembly, anda boleh menyusun kod anda ke Wasm dan menjalankannya dalam penyemak imbas. Ini membuka dunia kemungkinan untuk pembangun yang lebih suka sintaks dan struktur bahasa lain tetapi memerlukan web sebagai persekitaran pelaksanaan mereka.
Petua Utama untuk Memulakan Anda dengan WebAssembly
Yakin tentang potensinya, bagaimana anda memulakan dengan WebAssembly? Beberapa petua berguna akan membantu anda berada di landasan yang betul:
- Gunakan WebAssembly Di Mana Tugas Berorientasikan Prestasi Dilibatkan WebAssembly muncul sendiri apabila digunakan untuk mengambil sedikit beban bahagian berorientasikan prestasi aplikasi anda yang lebih berat. Manipulasi imej, contohnya, atau pemprosesan video, penyulitan dan analitis dilakukan dalam masa nyata-semua ini boleh diperoleh daripada peningkatan kelajuan yang disediakan oleh Wasm.
Daripada pengalaman ini, satu petua boleh diambil: Jika anda sedang membangunkan permainan berasaskan web, lakukan pemaparan grafik, enjin fizik dan pengiraan intensif dalam WebAssembly dan simpan UI anda dalam JavaScript. Dengan cara ini, anda memanfaatkan kedua-dua kuasa WebAssembly dan JavaScript.
- Choose the Right Language for the Task WebAssembly supports a myriad of languages, including but not limited to C, C Rust, and Go. If performance is key, then Rust would be a great choice since it's memory safe, designed for concurrency. In case your team is already using C or C , you can easily port that code into WebAssembly.
How to Approach It: If you find your self working on a large legacy system in a language such as C , it's well worth rewriting the parts of your code that are performance-critical in Rust and compiling them into WebAssembly. That way, you avoid some of the common pitfalls of older languages, such as memory leaks.
- Utilize Tools and Libraries Notably, several tools and libraries exist to lighten this burden. For example, Emscripten is one of the most widely used toolchains, which compiles C and C code into WebAssembly. If you are using Rust, there's wasm-bindgen, which is a really helpful library providing some abstraction over the interactions between WebAssembly and JavaScript.
Tip: Have a look at wasm-pack, which scaffolds, compiles and publishes Rust-generated WebAssembly packages. It's one of the easiest ways to get started with a Rust-based Wasm project.
- Integrating WebAssembly with JavaScript WebAssembly isn't designed to replace JavaScript but rather to exist alongside JavaScript. In most web applications, you'll find that you still want to do all the user interaction logic in JavaScript, and performance critical code is handled by WebAssembly.
The trick is to keep all back-end logic and computation in WebAssembly and pass it off to JavaScript, which can handle UI/UX tasks. In that way, you will provide a slick, seamless user experience, smoothing out performance on tasks that could make JavaScript choke.
Looking to the Future with WebAssembly
WebAssembly is continuously evolving and will no doubt be part of the essential stack of the future for web development. WASI, or the WebAssembly System Interface, is one of the emerging technologies that's trying hard to take Wasm out of the browser, making its use possible on server-side and even in IoT applications. That said, quite soon, WebAssembly may very well give a strong competition to platforms like Node.js in server-side programming.
Whether you are a seasoned developer or starting your journey of coding, WebAssembly is something that must be on your radar. Performance improvements, security enhancements, and cross-platform flexibility make Wasm reimagine the possibilities of the web.
Get started with WebAssembly and create web applications that run faster and are more powerful!
The above is the detailed content of WebAssembly: the state of high-performance on the web. For more information, please follow other related articles on the PHP Chinese website!

JavaScriptisnotbuiltonCorC ;it'saninterpretedlanguagethatrunsonenginesoftenwritteninC .1)JavaScriptwasdesignedasalightweight,interpretedlanguageforwebbrowsers.2)EnginesevolvedfromsimpleinterpreterstoJITcompilers,typicallyinC ,improvingperformance.

JavaScript can be used for front-end and back-end development. The front-end enhances the user experience through DOM operations, and the back-end handles server tasks through Node.js. 1. Front-end example: Change the content of the web page text. 2. Backend example: Create a Node.js server.

Choosing Python or JavaScript should be based on career development, learning curve and ecosystem: 1) Career development: Python is suitable for data science and back-end development, while JavaScript is suitable for front-end and full-stack development. 2) Learning curve: Python syntax is concise and suitable for beginners; JavaScript syntax is flexible. 3) Ecosystem: Python has rich scientific computing libraries, and JavaScript has a powerful front-end framework.

The power of the JavaScript framework lies in simplifying development, improving user experience and application performance. When choosing a framework, consider: 1. Project size and complexity, 2. Team experience, 3. Ecosystem and community support.

Introduction I know you may find it strange, what exactly does JavaScript, C and browser have to do? They seem to be unrelated, but in fact, they play a very important role in modern web development. Today we will discuss the close connection between these three. Through this article, you will learn how JavaScript runs in the browser, the role of C in the browser engine, and how they work together to drive rendering and interaction of web pages. We all know the relationship between JavaScript and browser. JavaScript is the core language of front-end development. It runs directly in the browser, making web pages vivid and interesting. Have you ever wondered why JavaScr

Node.js excels at efficient I/O, largely thanks to streams. Streams process data incrementally, avoiding memory overload—ideal for large files, network tasks, and real-time applications. Combining streams with TypeScript's type safety creates a powe

The differences in performance and efficiency between Python and JavaScript are mainly reflected in: 1) As an interpreted language, Python runs slowly but has high development efficiency and is suitable for rapid prototype development; 2) JavaScript is limited to single thread in the browser, but multi-threading and asynchronous I/O can be used to improve performance in Node.js, and both have advantages in actual projects.

JavaScript originated in 1995 and was created by Brandon Ike, and realized the language into C. 1.C language provides high performance and system-level programming capabilities for JavaScript. 2. JavaScript's memory management and performance optimization rely on C language. 3. The cross-platform feature of C language helps JavaScript run efficiently on different operating systems.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

SublimeText3 Linux new version
SublimeText3 Linux latest version

MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

Dreamweaver CS6
Visual web development tools
