
Firefox Developer Tools
Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.
Flow uses type inference to find bugs even without type annotations. It precisely tracks the types of variables as they flow through your program. Flow is designed...
Flow uses type inference to find bugs even without type annotations. It precisely tracks the types of variables as they flow through your program.
Flow is designed for JavaScript programmers. It understands common JavaScript idioms and very dynamic code.
Flow incrementally rechecks your changes as you work, preserving the fast feedback cycle of developing plain JavaScript.
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