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typescript readonly

Bewildered Bear answered on June 29, 2021 Popularity 10/10 Helpfulness 2/10

answer typescript readonly

typescript readonly

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class Octopus {  readonly name: string;  readonly numberOfLegs: number = 8;
  constructor(theName: string) {    this.name = theName;  }}
let dad = new Octopus("Man with the 8 strong legs");dad.name = "Man with the 3-piece suit";Cannot assign to 'name' because it is a read-only property.2540Cannot assign to 'name' because it is a read-only property.Try

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: www.typescriptlang.org

Tags: readonly typescript

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Contributed on Jun 29 2021

Bewildered Bear

0 Answers Avg Quality 2/10

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readonly in typescript

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class Employee {
    readonly empCode: number;
    empName: string;
    
    constructor(code: number, name: string)     {
        this.empCode = code;
        this.empName = name;
    }
}
let emp = new Employee(10, "John");
emp.empCode = 20; //Compiler Error
emp.empName = 'Bill';

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: readonly readonl

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Contributed on Aug 14 2022

Saad Rasheed

0 Answers Avg Quality 2/10

Typescript Readonly

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interface Person {
  id: number;
  name: string;
  age: number;
}

type ReadonlyPerson = Readonly<Person>;

// same as:
// interface Person {
//   readonly id: number;
//   readonly name: string;
//   readonly age: number;
// }

const person: ReadonlyPerson = {
  id: 1,
  name: 'John',
  age: 25
};

person.name = 'Mike'; // Error: Cannot assign to 'name' because it is a read-only property.

Popularity 9/10 Helpfulness 3/10 Language typescript

Source: dev.to

Tags: readonly readonl

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Contributed on Apr 10 2023

Azizul7m

0 Answers Avg Quality 2/10

typescript convert readonly

Comment

type DeepWriteable<T> = { -readonly [P in keyof T]: DeepWriteable<T[P]> };

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: Grepper

Tags: readonly readonl

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Contributed on Oct 21 2021

florinrelea

0 Answers Avg Quality 2/10

typescript readonly

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typescript readonly

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