What does the 'readonly' access modifier do for an array variable assignment like: 'const codeNames: readonly string[] = ['Coding', 'God']'?

TypeScript - Quiz(MCQ)

Makes you read it for better clean code

Allows only adding but not deleting elements in the array

Makes it private and can only be used in the file its created

Allows no changes and is there simply to be read from and not modified

Correct Answer : Allows no changes and is there simply to be read from and not modified

Recently Updated in TypeScript Questions

What are variables in Typescript?

A variable name should contain alphabets and numeric digits

A variable name cannot begin with a digit

It cannot contain spaces and special characters except underscore (_) and dollar ($) sign

All of the above

Correct Answer : All of the above

Which statements are true regarding JSX modes?

The react mode will emit React.addElement

The output of react mode will have a .jsx file extension

These modes only affect the emit stage - type checking is unaffected

The preserve mode will keep the JSX as part of the output to be further consumed by another transform step

Correct Answer : The preserve mode will keep the JSX as part of the output to be further consumed by another transform step

What type of assignment is this variable, 'const fullName: string = 'Dylan Israel';'?

Implicit

Explicit

Both (A) and (B)

None of the Above

Correct Answer : Explicit

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