TypeScript Type Guard

• Introduction
• Operators
• Syntax

Introduction

Use Type Guards to narrow down the type of an object within a conditional block.

Operators

• [TypeScript in Operator](TypeScript in Operator)

Syntax

• [TypeScript Literal Type Guard](TypeScript Literal Type Guard)
• [TypeScript strictNullChecks](TypeScript strictNullChecks)
• [TypeScript User Defined Type Guards](TypeScript User Defined Type Guards)