I think JavaScript conforms to the spirit of open source and is very suitable for developing Bitcoin related applications. JavaScript has good portability and does not require the installation of specialized development software. It can be developed and debugged with a browser. This webpage code (right-click to view the source code) is very suitable for beginners to understand the basic principles of Bitcoin from a code level. Simply save this webpage to run it offline and use it as a brain wallet or cold wallet. It is recommended to use Chrome browser.
我认为JavaScript符合开源精神，很适合用于开发比特币相关应用。JavaScript可移植性好，无需安装专门的开发软件，有个浏览器即可进行开发调试。本网页代码(右键查看源代码)很适合初学者从代码层面理解比特币的基本原理。只需要保存本网页即可脱机运行，可当做脑钱包或冷钱包使用，建议用Chrome浏览器。