JAVASCRIPT RUNTIME LAB
Master the
Scripting Engine.
runtime.ts
async function main() {
const result = await fetch(API);
const data = await result.json();
Processing event loop...
return data.map(n => n.id);
}
Javascript Syntax
Fundamentals & Types
Nail the basics: variables, primitives, operators, and control flow logic.
- Var/Let/Const
- Data Type Engine
- Looping Patterns
QUESTIONS20
DURATION15 mins
Logic & Patterns
Functions & Scope
Master the mechanics of functions, lexical scope, hoisting, and object manipulation.
- Closure Systems
- Array Prototyping
- Object Models
QUESTIONS20
DURATION25 mins
Async Architect
Promises & ES6+
Conquer asynchronous programming: ES6 modules, Promises, and modern async/await patterns.
- ES Modules
- Promise Chains
- Async/Await Flow
QUESTIONS20
DURATION30 mins
Core JS Engine
Event Loop & Perf
Deep dive into JS internals: the Event Loop, memory management, and performance architecture.
- Event Loop Logic
- Memory Profiling
- Engine Internals
QUESTIONS20
DURATION45 mins
