Frontend Developer (JavaScript / TypeScript) — SeniorCovers JavaScript and TypeScript language internals, the DOM, and browser runtime behavior senior frontend interviews focus on.Price: US$ 24.89. 100 published questions in this package.Objectives

JavaScript Language

Async & Promises

TypeScript

DOM & Browser APIs

Performance & Rendering

Web Fundamentals

Accessibility

Tooling & Bundlers

Testing

Security

Architecture & Patterns

SyllabusJavaScript LanguageAsync & PromisesTypeScriptDOM & Browser APIsPerformance & RenderingWeb FundamentalsAccessibilityTooling & BundlersTestingSecurityArchitecture & PatternsSample questions

What is the difference between `let`, `const`, and `var`?

Explain the difference between `==` and `===`.

What is the difference between `null` and `undefined`?

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