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TypeScript Articles
Found 75 articles
How to Convert Date to String in TypeScript?
It is common to show the date and time on the web or mobile application. As a user, have you ever seen any application which shows the date object as it is? It will never happen because it makes UX worst. So, we need to convert the date object to a string. After converting the date object to a string, we can format it according to our needs. The date format means ‘yyyy-mm-dd’, ‘dd-mm-yyyy’, etc. Also, we can do the same with the time string. We can display the hours, minutes, seconds, and milliseconds according to the need. In this ...
Read MoreHow to use Hashmap in TypeScript?
The Hashmap is the one kind of data structure that stores the key-value pairs of the different data. Like other programming languages, TypeScript also contains a built-in map data structure. In JavaScript, we can't define the key or value type that needs to be stored in the map. So, we need to create a map of the generic type. In TypeScript, we can define the type of the key and value to be stored in the map. Syntax Following is the syntax create the map in TypeScript − let hashMap = new Map(); Parameters key_Type − It is ...
Read MoreHow to format strings in TypeScript?
In this tutorial, we will learn to format the strings in TypeScript. The string is the sequence of characters in any programming language, and the same goes for TypeScript. In TypeScript, strings are immutable. The meaning of the immutable is that we can’t change the string character at the particular index, but we can append the character to the string. Below, we will learn different methods to format the string in TypeScript. Using the + operator to merge two or more strings Generally, the '+' operator performs the addition operation of two or more numbers. When we use the + ...
Read MoreHow to perform string comparison in TypeScript?
In this TypeScript tutorial, users will learn to make string comparisons. The string comparison is the basic operation required while working with any programming language. Suppose we are developing a web or Android application and need to compare string data such as user id, user name, password, etc. In such cases, string comparison becomes very useful. Using the strict equality (===) operator The best way to compare the strings in TypeScript is to use the strict equality operator. The strict equality operator first checks the types of the left and right operands, and if it matches, it compares the value ...
Read MoreHow to remove Time from Date TypeScript?
When working with date objects in TypeScript, sometimes it's necessary to extract only the date and remove the time component from it. This can be useful when displaying dates in a user interface or comparing dates. In this tutorial, we will explore several ways to remove time from date in TypeScript. Syntax const dateWithoutTime = date.toLocaleDateString(); const dateWithoutTime = date.toISOString().split('T')[0]; The above is the syntax of two different typescript methods for removing time from date. The first method uses the toLocaleDateString() method. The second method uses this string () method. Example 1: Using the toLocaleDateString() Method const date = ...
Read MoreShow Data Using Text Box in TypeScript
Data representation is crucial in software development, and it is essential to present data in a user-friendly way with the increasing demand for web-based applications. Text boxes are one of the ways to do so. Text boxes provide an easy way to display data to users in a structured and presentable way. This tutorial will provide a comprehensive guide on using text boxes in TypeScript to show data effectively. We will cover what text boxes are, provide syntax and algorithms for working with text boxes, and give multiple examples to illustrate how to use text boxes. What are Text Boxes ...
Read MoreHow to Use Lambda Expression in TypeScript?
Lambda expressions offer a succinct and expressive means of defining functions in TypeScript and are versatile enough to be utilized as class methods, object properties, and callbacks in higher-order functions. This tutorial aims to delve into the syntax of lambda expressions, highlight their advantages over conventional functions, and provide guidance on how to use lambda expressions in TypeScript effectively. What are Lambda Expressions? Lambda expressions, commonly referred to as arrow functions, were first introduced in ECMAScript 6 and have gained widespread usage in contemporary JavaScript and TypeScript code. These expressions provide a succinct syntax for defining functions in both languages. ...
Read MoreWhy TypeScript is the best way to write front-end?
TypeScript has been gaining popularity in the web development community for quite some time now, and for good reason. It is a powerful programming language that offers several benefits over traditional JavaScript. TypeScript is a strongly typed language that allows developers to catch errors earlier in the development process, making it easier to maintain and scale large codebases. In this article, we will explore why TypeScript is the best way to write front-end code. What is TypeScript? TypeScript is a superset of JavaScript that was developed by Microsoft in 2012. It is a statically typed language that provides optional ...
Read MoreWhy and How to Use TypeScript in your React App?
React has emerged as one of the most popular JavaScript libraries for building dynamic and interactive web applications in recent years. With its component-based architecture and virtual DOM, React offers developers a powerful and efficient way to create complex user interfaces. However, as projects grow in size and complexity, it becomes crucial to ensure code maintainability, catch potential bugs early, and improve collaboration among team members. This is where TypeScript, a statically typed superset of JavaScript, comes into play. In this tutorial, we will explore why and how to use TypeScript in your React app and how it can significantly ...
Read MoreInterviewing Typescript
In this tutorial, we will delve into the world of TypeScript and explore some important interview questions and their corresponding answers. TypeScript, a statically typed superset of JavaScript, brings enhanced features and static type-checking to JavaScript development. By understanding these questions and answers, developers can gain insights into TypeScript's core concepts and capabilities. TypeScript Basics Here are some important questions that cover the basics of TypeScript − What is TypeScript, and how Does it Differ From JavaScript? TypeScript is a programming language that extends JavaScript by introducing optional static typing and additional features. While JavaScript is a dynamically typed language, ...
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