freeCodeCamp JavaScript Algorithms and Data Structures
EntryCodingFree
Free, browser-based JavaScript certification covering ES6+ syntax, regular expressions, debugging, data structures, OOP, functional programming, and algorithm scripting. 300 hours of curriculum. Certificate issued upon project completion. Widely included in developer portfolios globally.
What you'll prove
- Write ES6+ JavaScript using arrow functions, destructuring, and modules
- Apply functional programming concepts including map, filter, and reduce
- Implement OOP in JavaScript using classes and prototypes
- Write algorithms for common problems including sorting and searching
- Work with data structures including arrays, objects, linked lists, and trees
- Debug JavaScript code using browser developer tools
Frequently asked
Is freeCodeCamp certification recognized by employers?
freeCodeCamp certificates are widely recognized in the developer community and carry meaningful weight alongside a portfolio of projects. They are not equivalent to vendor certifications but demonstrate structured learning and project completion.