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Given an array, the task is to check whether an element present in an array or not in JavaScript. If the element present in array, then it returns true, otherwise returns ...read more

JavaScript

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The RegExp object in JavaScript is a powerful tool for pattern matching, searching, and manipulating strings. It allows you to define patterns for matching text and helps ...read more

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TypeScript Type Annotations allow developers to explicitly define the types of variables, functions, and other elements in the program.They help catch mistakes early by en...read more

JavaScript

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TypeScript

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TypeScript Enums allows you to create a list of constants (unchanging variables) and give them easy-to-remember names. These names make your code easier to read and unders...read more

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TypeScript

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One of the primary ways to manage asynchronous operations in JavaScript is through callback functions that execute after a certain operation completes. However, excessive ...read more

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In TypeScript, a variable can be defined by specifying the data type of the value it is going to store. It will store the values of the specified data type only and throws...read more

JavaScript

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WebTech-FAQs

TypeScript is a statically typed superset of JavaScript that adds optional types, classes, interfaces, and other features to help developers build robust and maintainable ...read more

JavaScript

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Given a string containing words separated by spaces, our task is to reverse only the words with an odd length. The rest of the words remain unchanged. Example:Input:Hello...read more

JavaScript

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Picked

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Here are the various approaches to append an array at the beginning of another array in JavaScriptUsing unshift() Method - Most CommonUses the unshift() method to add elem...read more

JavaScript

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javascript-array

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JavaScript objects are fundamental data structures used to store collections of data in key-value pairs. They are essential for handling more complex data and are often us...read more

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Here are the different approaches to append an array at the end of another array in JavaScriptpush() Method with Spread Operator - Most UsedIt uses push() combined with th...read more

JavaScript

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javascript-array

JavaScript-DSA

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JavaScript (often abbreviated as JS) is one of the most popular programming languages in the world. It comes with its unique take on data types that sets it apart from lan...read more

JavaScript

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JavaScript Facts

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JavaScript, one of the most versatile programming languages, powers various products and applications across multiple industries. JavaScript has become the backbone of mod...read more

JavaScript

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A HashMap (also known as a dictionary or hash table in other programming languages) is a collection of key-value pairs Each key in the HashMap is unique, and each key maps...read more

JavaScript

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javascript-map

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Here are various ways to get Unicode character values in JavaScript 1. Using charCodeAt() to Get Unicode ValuesThis code defines a string letter containing the character "...read more

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