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  1. Why use triple-equal (===) in TypeScript? - Stack Overflow

    Jul 20, 2019 · In JavaScript, it's commonly seen as best practice to use === instead of ==, for obvious and well-known reasons. In TypeScript, which is one to be preferred? Is there even …

  2. In TypeScript, what is the ! (exclamation mark / bang) operator …

    Feb 16, 2017 · In TypeScript, what is the ! (exclamation mark / bang) operator when dereferencing a member? Asked 8 years, 8 months ago Modified 5 months ago Viewed 651k …

  3. Interfaces vs Types in TypeScript - Stack Overflow

    Declaration Merging The key aspect to interfaces in typescript that distinguish them from types is that they can be extended with new functionality after they've already been declared. A …

  4. How do I dynamically assign properties to an object in TypeScript ...

    Learn how to dynamically assign properties to an object in TypeScript with this helpful guide.

  5. Defining TypeScript callback type - Stack Overflow

    Oct 30, 2012 · I have defined function with typescript without defining a type. You can define a function with callback type parameter like below. You can define multiple return values in the …

  6. How to convert a string to number in TypeScript? - Stack Overflow

    51 String to number conversion: In Typescript we convert a string to a number in the following ways: parseInt(): This function takes 2 arguments, the first is a string to parse. The second is …

  7. What does the pipe(|) mean in typescript? - Stack Overflow

    Jul 28, 2016 · +1 -- TypeScript supports algabraic data types. If you're from an OOP background these are probably new to you, and can be very powerful. At a high level they are language …

  8. Is key-value pair available in TypeScript? - Stack Overflow

    Apr 7, 2016 · Is key-value pair available in TypeScript? If so, how do I do that? Can anyone provide sample, example, or links?

  9. typescript - Safe navigation operator (?.) or (!.) and null property ...

    the operation a! produces a value of the type of a with null and undefined excluded Optional chaining finally made it to typescript (3.7) 🎉 The optional chaining operator ?. permits reading …

  10. In TypeScript, what does <T> mean? - Stack Overflow

    Apr 3, 2018 · What does the <T> mean? That is TypeScript's Generics declaration. Excerpt: A major part of software engineering is building components that not only have well-defined and …