C CareerByteCode Arena Practice Projects Tracks Sign in
CBC Arena · Browse

Every challenge, one place

Explore the full library across 8 tracks and 100 domains. Filter, search, and open any challenge. Sign in with your college email to start solving and earning XP.

Arena › Browse › Web
Level All Easy Medium Hard Access All Free Premium
2,298 challenges found
Clear all filters

🏆 Top solvers in Web

🥇 @malathi-shetty 27 solved
🥈 @arun-kumar 4 solved

FastAPI: pydantic

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Flask: route decorator

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Scala: type inference

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

SpringBoot: embedded server

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Swift: optional

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

gRPC: proto file

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

JSONYAML: array json

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

NextJS: csr

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Regex: star

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Svelte: component svelte

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

WebSockets: handshake

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Falsy value

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

TS: unknown vs any

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Go: Zero value

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

C++: int size

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Rust: ownership

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Ruby: symbol

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Blockchain: node

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Web3: wallet web3

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Angular: selector

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

DesignPatterns: singleton global

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

HTMLCSS: doctype

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Microservices: high cohesion

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

REST: get

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Testing: test pyramid

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Vue: interpolation vue

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Django: migration

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Express: request response

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

FastAPI: path operation

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Flask: view function

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

PHP: loosely typed

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Scala: def

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

SpringBoot: main annotation

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Swift: optional syntax

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

gRPC: idl

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

JSONYAML: key value json

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

NextJS: isr

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Regex: plus

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Svelte: script block

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

WebSockets: upgrade header

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

C++: reference

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Rust: move

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

CSharp: nullable

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Kotlin: null safety

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Blockchain: consensus

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Solidity: public

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Web3: connect wallet

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Angular: data binding

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

DesignPatterns: factory

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

HTMLCSS: head

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Microservices: own database

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

REST: post

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Testing: regression

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Vue: vbind

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Django: makemigrations

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Express: res send

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

FastAPI: get decorator

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Flask: return response

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

PHP: string concat

Web Hard Free +20 XP
🔒 Sign in with your college email to solve

Scala: immutable pref

Web Hard Free +20 XP
🔒 Sign in with your college email to solve
← Prev 1234...39 Next →
Page 2 of 39