Topic

Arrays

2 resources tagged with Arrays.

Challenge

String Mastery: Validate and Format Usernames in JavaScript

Practice JavaScript string methods and regular expressions by building a beginner-friendly username cleaner and validator.

#JavaScript#Strings#Regular Expressions#Arrays#Validation

6/18/2026

Open resource

Challenge

JavaScript Array Mastery: Push, Pop, and Splice Challenge

Master JavaScript array manipulation by building a command-driven function that uses push, pop, and splice to transform arrays safely and efficiently.

#JavaScript#Arrays#Array Methods#Push#Pop#Splice#Coding Challenge

6/18/2026

Open resource

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