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JavaScript
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Learn JavaScript

The language of the web, from the MDN guide.

Novus Learn curates the order and cites the official docs for each step. It does not rewrite the material. Open each doc to read the real source, or turn any step into a source-grounded breakdown.

MDN JavaScript Guide Back to the written JavaScript course

0 of 8 steps done

Mark Grammar and types done
Grammar and typesbeginner
MDN: Grammar and types
javascript variables let const var javascript data types
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Mark Control flow and error handling done
Control flow and error handlingbeginner
MDN: Control flow and error handling
javascript if else try catch javascript throw
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Mark Loops and iteration done
Loops and iterationbeginner
MDN: Loops and iteration
javascript for loop for of for in while loop
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Mark Functions and scope done
Functions and scopebeginner
MDN: Functions
javascript functions arrow functions closures
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Mark Working with objects done
Working with objectsintermediate
MDN: Working with objects
javascript objects object properties this keyword
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Mark Arrays and collections done
Arrays and collectionsintermediate
MDN: Indexed collections
javascript arrays map filter reduce array methods
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Mark Asynchronous JavaScript and promises done
Asynchronous JavaScript and promisesadvanced
MDN: Using promises
javascript promises async await then catch
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Mark Modules done
Modulesadvanced
MDN: JavaScript modules
javascript modules import export es modules
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