拼多多Web前端研发工程师（商业化方向）

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Explore our growing collection of courses on key web design and development subjects.

The easiest way to learn & practice modern JavaScript

Write bulletproof JavaScript code with unit testing!

Learn about Elasticsearch with this comprehensive course designed for beginners, featuring both theoretical concepts and hands-on applications using Python (though applicable to any programming language). The course is structured in two parts: first covering essential Elasticsearch fundamentals including index management, document storage, text analysis, pipeline creation, search functionality, and advanced features like semantic search and embeddings; followed by a practical section where you'll build a real-world website using Elasticsearch as a search engine, working with the Astronomy Picture of the Day (APOD) dataset to implement features such as data cleaning pipelines, tokenization, pagination, and aggregations.

Webpack is used to compile JavaScript modules.

In this video, we will create a Webpack dev environment from scratch.

Babel is a toolchain that is mainly used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript in current and older browsers or environments.

In this video you will learn why do you need to transpile Javascript at all and how Babel comes into play, what babel packages do you need to install and how to use and configure Babel to transpile Javascript code.