Breaking News: Grepper is joining You.com. Read the official announcement!

typescript make function argument optional

Add Answer

Blushing Bug answered on January 5, 2021 Popularity 10/10 Helpfulness 2/10

answer typescript make function argument optional

related how to make a parameter optional in typescript

related Typescript optional function parameters

related how to define optional parameter in typescript

related add optional parameters javascript or typescript function

related type argument optional typescript

related optional parameter in typescript

related typescript optional parameters

related how to pass function as a optional props in typescript type

typescript make function argument optional

Comment

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

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

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: www.typescripttutorial.net

Tags: function typescript

Link to this answer
Share Copy Link

Contributed on Jan 05 2021

Blushing Bug

0 Answers Avg Quality 2/10

Closely Related Answers

how to make a parameter optional in typescript

Comment

// 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

Link to this answer
Share Copy Link

Contributed on Jan 24 2021

Jenova

0 Answers Avg Quality 2/10

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;
}

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: www.typescripttutorial.net

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on Aug 12 2023

Live Tembiso

0 Answers Avg Quality 2/10

how to define optional parameter in typescript

Comment

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

}

Popularity 10/10 Helpfulness 2/10 Language typescript

Source: dotnetpattern.com

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on May 18 2021

Bloody Bear

0 Answers Avg Quality 2/10

add optional parameters javascript or typescript function

Comment

function newsArticle(options: newsArticleOptions) {
    const {
        showHeadline = true,
        showDate = true,
        articleType = "World"
    } = options;
}

// Use like this
newsArticle({ articleType: "Tech" });

// Of course, don't write JavaScript without TypeScript
interface newsArticleOptions {
    showHeadline?: boolean
    showDate?: boolean
    articleType?: articleType
}

type articleType = "Tech" | "World" | "Sports"

Popularity 9/10 Helpfulness 2/10 Language typescript

Source: mattferderer.com

Tags: add

Link to this answer
Share Copy Link

Contributed on Jun 19 2022

night owl

0 Answers Avg Quality 2/10

type argument optional typescript

Comment

// Optional type parameters
private logData<T, S = {}>(operation: string, responseData: T, requestData?: S) {
  // your implementation here
}

Popularity 10/10 Helpfulness 1/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on Jul 30 2021

Thankful Teira

0 Answers Avg Quality 2/10

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") {}
}

Popularity 10/10 Helpfulness 1/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on Nov 10 2022

barisx

0 Answers Avg Quality 2/10

typescript optional parameters

Comment

ka.shif7654

Popularity 1/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: optional-parameters typescript

Link to this answer
Share Copy Link

Contributed on Sep 24 2021

Lovely Louse

0 Answers Avg Quality 2/10

how to pass function as a optional props in typescript type

Comment

props.onSaveCourse?.('abc', someDate)
props.onSaveGoal?.('abc')

Popularity 8/10 Helpfulness 1/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on May 12 2022

Lucifar

0 Answers Avg Quality 2/10

how to pass function as a optional props in typescript type

Comment

interface Props {
  type: 'goal' | 'course'
  onSaveCourse?: (title: string, date: Date) => void
  onSaveGoal?: (text: string) => void
}

Popularity 8/10 Helpfulness 1/10 Language typescript

Source: stackoverflow.com

Tags: typescript t

Link to this answer
Share Copy Link

Contributed on May 12 2022

Lucifar

0 Answers Avg Quality 2/10

typescript make function argument optional

Contents

More Related Answers

typescript make function argument optional

Closely Related Answers

how to make a parameter optional in typescript

Typescript optional function parameters

how to define optional parameter in typescript

add optional parameters javascript or typescript function

type argument optional typescript

optional parameter in typescript

typescript optional parameters

how to pass function as a optional props in typescript type

how to pass function as a optional props in typescript type

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.