Ace is a high-performance, browser-based code editor and JavaScript text editor component designed to be embedded into web applications. It functions as a feature-rich alternative to standard text areas, providing a syntax highlighting engine and support for multiple programming and markup languages.
The editor is distinguished by its ability to handle large documents containing millions of lines while maintaining stable performance. It supports multi-cursor editing, allowing simultaneous modifications at multiple selection points across a document.
The project covers a broad range of developer-centric capabilities, including real-time code linting, interactive autocompletion, and code block folding. It also includes systems for visual theme management, keyboard shortcut mapping, and interface localization.
The component can be integrated into web applications by replacing a standard HTML textarea with the editor via a script trigger.