What is AS Backend Institute?

AS Backend Institute is an online development training institute.

Developer Reference

Backend Cheatsheets

Quick-reference guides with syntax, commands, and examples — everything a backend developer needs, one click away.

5 Languages

500+ Code Snippets

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JavaScript

ES6+ Complete Reference

Variables, loops, functions, promises, async/await, DOM, events, arrays, strings, and modern ES6+ syntax.

const greet = (name) => `Hello ${name}`

ES6+Async/AwaitDOMArrays

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Premium

Node.js

Server-Side Mastery

Core modules, file system, streams, events, HTTP server, NPM, process, and best practices.

const http = require("http")

ModulesFSHTTPStreams

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Premium

MongoDB

NoSQL Database Guide

CRUD operations, aggregation pipeline, indexing, schema design, and Mongoose ORM patterns.

db.users.find({ age: { $gt: 18 } })

CRUDAggregationIndexingMongoose

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Premium

Redis

In-Memory Data Store

Data structures, caching strategies, pub/sub, transactions, and performance optimization.

SET user:1 "John" EX 3600

CachingPub/SubSetsTTL

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Premium

MySQL

Relational Database

SQL queries, joins, transactions, stored procedures, indexing, and query optimization.

SELECT * FROM users WHERE id = 1

JoinsTransactionsIndexesProcedures

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