Most viewed questions in TypeSript

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What's the difference between class and interface in TypeScript? When do you use them?

A class is a blueprint of how ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 387 views
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Get typescript definition files via bower?

It is possible with bower. First install bower ...READ MORE

Aug 3, 2022 in TypeSript by Abhinaya
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What does <T> do in TypeSript?

This is a TS Generics declaration. T will be declared ...READ MORE

May 31, 2022 in TypeSript by Nina
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What should the return type of Promise.race be? (Typescript)

For example in the code below, what ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 339 views
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In typescript, why do the | and & operators flip their meaning when used on function types?

In this code, example1 and example2 are confusing me: type F1 = ...READ MORE

Jul 13, 2022 in TypeSript by Logan
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Measuring web performance metrices in TypeScript front end program

The performance metrics are provided by the ...READ MORE

Jun 1, 2022 in TypeSript by Nina
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How to get TypeScript definition files via bower?

The best option is to use tsd. It ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 326 views
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Function definition syntax confuse in Typescript

I figure that out: One post in ...READ MORE

Jul 5, 2022 in TypeSript by Nina
 • 3,060 points • 323 views
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What is TypeScript and why would I use it in place of JavaScript?

TypeScript is a superset of JavaScript which primarily ...READ MORE

May 31, 2022 in TypeSript by Nina
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TypeScript: for-in statement

TypeScript docs say nothing about loop like ...READ MORE

Jun 3, 2022 in TypeSript by Logan
 • 2,140 points • 320 views
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Now I know what 'pick' does. But I want to do the opposite and remove values from an object.

You can use the keyword Omit for ...READ MORE

May 27, 2022 in TypeSript by Nina
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How to typecast a string to number in TypeScript?

You can use the parseInt or parseFloat functions, or simply use ...READ MORE

Jun 9, 2022 in TypeSript by Nina
 • 3,060 points • 285 views
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Applying pdf watermark at typescript side

I am trying to add a watermark ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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TypeScript: Typing the result of an external module's non-mutating extension function

Let's say I'm using external package "foo". ...READ MORE

Jul 18, 2022 in TypeSript by Logan
 • 2,140 points • 275 views
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How to watch typescript files in the background continuously without blocking the terminal?

Is there a way to run tsc ...READ MORE

Jul 14, 2022 in TypeSript by Logan
 • 2,140 points • 274 views
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how to use spread syntax and new Set() with TypeScript

The ... operator should work on anything ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 264 views
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Conversion from both keys and values of object

You could just change the declaration of ...READ MORE

May 31, 2022 in TypeSript by Nina
 • 3,060 points • 263 views
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Naming of TypeScript's union and intersection types

The type A | B refers to objects which ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 261 views
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Alternative to decorate function in TypeScript

Since TypeScript allows decorate only class, method, ...READ MORE

Jul 14, 2022 in TypeSript by Logan
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What is the way of declaring an array in JavaScript?

These are some of the way to ...READ MORE

Aug 3, 2022 in TypeSript by krishna
 • 2,820 points • 235 views
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Difference between interfaces and classes in Typescript

Interfaces Describe how an object should look Exists compile ...READ MORE

Jun 15, 2022 in TypeSript by Nina
 • 3,060 points • 226 views
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Is it necessary to learn TypeScript first before going to explore Angular2?

It's not necessary to learn TypeScript but ...READ MORE

Jun 10, 2022 in TypeSript by Nina
 • 3,060 points • 210 views
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What is TypeScript and why would I use it in place of JavaScript?

Can you please describe what the TypeScript ...READ MORE

Jul 18, 2022 in TypeSript by Logan
 • 2,140 points • 198 views
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I don't know about return type in typescript

TYPESCRIPT 3.4.3 I want to make function like ...READ MORE

Jul 5, 2022 in TypeSript by Logan
 • 2,140 points • 181 views
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