Software, Pc Game and Programming Languages
In the below typescript program, I am applying conditional type chaining to display the outcome on the output console. Conditional types can get chained together to return a specific type. The outcome of the program is as follows:-
In order to create a type from another type in TypeScript, used the Pick mapped type which will construct a type based on a subset of properties of another type as follows:- As you all can see Pick allows us to pick properties that require us to create our type from the original type! The…
This article will show you an example to create a generic function in TypeScript. A generic function is a function that contains a generic syntax to substitute a normal type name of a parameter which allows that parameter to have various types instead of only a single type. As you can see there are two…
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In this TypeScript class inheritance example, I am going to create a subclass that inherits from the main base class as follows:- 1) Create the interface which will be implemented by the Computer class. Create the Computer main class which implements the above interface. At last, create the subclass which inherits the base class. Next,…
Below is an example of creating a TypeScript’s password verifier with the help of the get and the set property accessors of TypeScript. This program will allow the user to set the password and then get the password again to verify it before printing the outcome accordingly. The property accessors look like a property of…
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In this article, I am going to create a class with a constructor which will accept three parameters and then print them on the screen. First of all, I need to create an interface that will get extended by the class later on! The user and the year parameters of the interface are optional and…
Below is an example of implementing the interface in TypeScript. Let’s say you have an IComputer interface as follows:- The above interface has three variables, two are optional variables that a class does not need to implement if it does not want to. The undefined type is used in that class to avoid errors if…
The in-operator is used to check whether a property within an object with a particular interface type exists or not. As you can see the “brand” property does exist within the above object with the type ILaptop and thus the brand of that object will be printed on the terminal screen!
You can actually declare optional properties within the typescript interface that do not need to be declared by the object with that interface type as follows:- Now the object with that type of interface does not need to declare the properties of the interface with ‘?’ symbol in front of them if that object does…
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The following lines of code will create an interface in TypeScript:- As you can see, the interface will declare the type of each element within it! The following lines of code will create an object based on the above interface. Once the interface has been declared you can use it just like the primitive types…
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