Learning TypeScript

Index

Symbols

• ! (exclamation point)
  • disabling initialization checking, Definitely assigned properties
  • non-null type assertions, Non-Null Assertions
• # (pound sign), private class members, Member Visibility-Member Visibility
• & (ampersand), intersection types, Intersection Types
• () (parentheses)
  • arrays and, Array and Function Types
  • in function types, Function Type Parentheses
• . . . (ellipsis), spread operator, Rest Parameters
  • for arrays, Spreads
  • tuples as rest parameters, Tuples as rest parameters
• ? (question mark)
  • optional parameters, Optional Parameters
  • optional properties, Optional Properties-Optional Properties
• @ts-check comment, @ts-check
• | (pipe) operator, Union Types

A

• abstract classes
  • described, Abstract Classes-Abstract Classes
  • finding implementations of, Finding Implementations-Finding Implementations
• access control modifiers, changing, Changing Modifiers-Changing Modifiers
• allowJs compiler option, allowJs
• allowSyntheticDefaultImports compiler option, allowSyntheticDefaultImports
• ambient contexts, Declaration Files, Declaring Runtime Values
• ampersand (&), intersection types, Intersection Types
• any type
  • ambient contexts, Declaring Runtime Values
  • described, any, Again-any, Again
  • evolving any, Type Annotations, Evolving Any Arrays
  • noImplicitAny compiler option, noImplicitAny
  • useUnknownInCatchVariables compiler option, useUnknownInCatchVariables-useUnknownInCatchVariables
• arrays
  • described, Arrays
  • joining with spread operator, Spreads
  • members, retrieving, Array Members-Caveat: Unsound Members
  • rest parameters as ...