As the web storage word represents, it stores the data inside the user’s browser locally. Before HTML 5, developers were using cookies to store data locally, but the cookies allow for storing a limited amount of data, such as in kilobytes. The local storage allows users to store up to ... Read More

In JavaScript, the scope defines how and in which part of our code we can access the variables and functions. In simple terms, the scope helps us improve our code's security and readability. So, we can access the variables and functions only inside its scope but not outside. We ... Read More

The array stores the elements of the different data types in TypeScript. It is a collection of elements we can use it to store and access data whenever required. While working with multiple arrays, we need to combine two or more arrays. There are several ways to combine multiple arrays ... Read More

In TypeScript, while working with the array, we often require to search for a particular element. To search for an element, either we can use the naive approach using the for loop or some built-in method such as the find() or indexOf() method. Also, we will learn to find the ... Read More

This tutorial demonstrates multiple ways to reverse a string in TypeScript. At first, reversing the string problem looks easy, but what if someone asks you to explain the different approaches to reversing a string in TypeScript? For example, what if the interviewer asks to reverse the words of the string ... Read More

Sometimes, we need to replace a substring with a new string or any particular character while working with TypeScript. The simple way to replace the substring or part of the string is to use the replace() method. Here, we will create a custom algorithm to replace the string for the ... Read More

Type assertion is a mechanism in TypeScript that informs the compiler of the variable type. We can override the type using a type assertion if TypeScript finds that the assignment is wrong. We must be certain that we are correct since the assignment is always legitimate when we employ a ... Read More

In TypeScript, the typeof is one of the most helpful operators and keywords to check the types of variables or identifiers. However, TypeScript is a type-strict language. So, we need to define the type of the variable or object while defining the identifier itself. Still, sometimes we need to check ... Read More

We will learn to specify the option properties in TypeScript. The true meaning of the optional property is that properties can be undefined or null, and we can initialize them whenever required. In real-time development, the importance of optional properties is very much. For example, we are fetching the data ... Read More

The string contains various characters, and the substring is the part of the string. We can get the substring from the string two ways. The first is using the starting and ending position of the substring, and the second is using the starting position and length of the substring. We ... Read More