Web Assembly (WASM) - An alternative to JavaScript?

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#JavaScript #WebAssembly #Coding

Browser-based front-end application programming has mainly been done with JavaScript, but the advent of Web Assembly has provided developers with more options. Web Assembly is not a programming language, but a compiled result of something written in a programming language like C or Rust. It is used to execute specific features in the browser.

While Web Assembly boasts high performance and fast speed, it cannot directly handle the Web API, and functions such as DOM manipulation can only be executed through JavaScript. However, Web Assembly is very efficient for tasks that require high performance, such as complex graphics work and processing large amounts of data.

Web Assembly runs heavy calculations on web pages at a faster execution speed than inefficient JavaScript, contributing to improved user experience. JavaScript is convenient for people to code, execute and distribute, but it has features of languages that are disadvantageous in terms of performance.

For these reasons, Web Assembly is used in environments such as servers, clouds, and edge devices in addition to JavaScript. This is because of the advantages of security, portability, and language neutrality. Web Assembly runs in an isolated environment called a sandbox, enhancing security by not directly accessing system resources, and allowing you to write and compile code that works the same on various operating systems and hardware using multiple languages.

Therefore, Web Assembly can be a good option for developers who want to create powerful web applications. If you want to use Web Assembly more easily in the frontend, you can use tools like AssemblyScript, Blazor.