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typescript optional parameters with default value

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YOU.com answered on January 24, 2021 Popularity 8/10 Helpfulness 1/10

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typescript optional parameters with default value

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function greet(name: string, greeting: string = "Hello") {
  console.log(`${greeting}, ${name}!`);
}

greet("John");  // Output: Hello, John!
greet("Sarah", "Hi");  // Output: Hi, Sarah!

Popularity 8/10 Helpfulness 1/10 Language typescript

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Contributed on Sep 12 2023

YOU.com

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typescript set default parameter value

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function greet(name: string = "Guest") {
  console.log(`Hello, ${name}!`);
}

// Calling the function without providing an argument for 'name'
greet(); // Output: "Hello, Guest!"

// Calling the function with an argument for 'name'
greet("John"); // Output: "Hello, John!"

Popularity 9/10 Helpfulness 3/10 Language typescript

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Contributed on Sep 12 2023

YOU.com

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how to make a parameter optional in typescript

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// Optional parameter
function foo(x?: number) {
    console.log("x : "+ x);
}
foo();
foo(6);

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: typescript t

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Contributed on Jan 24 2021

Jenova

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Typescript optional function parameters

Comment

function multiply(a: number, b: number, c?: number): number {

    if (typeof c !== undefined) {
        return a * b * c;
    }
    return a * b;
}

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Source: www.typescripttutorial.net

Tags: typescript t

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Contributed on Aug 12 2023

Live Tembiso

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how to define optional parameter in typescript

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function functionName(par1: number, par2?: number) {

}

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: dotnetpattern.com

Tags: typescript t

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Contributed on May 18 2021

Bloody Bear

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optional parameter in typescript

Comment

/*
**DESCRIPTION**
Default-initialized parameters that come after all required 
parameters are treated as optional, and just like 
optional parameters, can be omitted when calling their 
respective function
*/

export class Test {
    constructor(private foo: string = "foo", private bar: string = "bar") {}
}

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Source: stackoverflow.com

Tags: typescript t

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Contributed on Nov 10 2022

barisx

0 Answers Avg Quality 2/10

typescript optional parameters

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ka.shif7654

Popularity 1/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: optional-parameters typescript

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Contributed on Sep 24 2021

Lovely Louse

0 Answers Avg Quality 2/10

typescript optional parameters with default value

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