![]() Prototypal inheritance is a mechanism in JavaScript where objects can inherit properties and methods from other objects, called prototypes. JavaScript is the most popular implementation of the ECMAScript specification, but there are other implementations as well. How are JavaScript and ECMA Script related?ĮCMAScript (often abbreviated as ES) is the standardized scripting language specification that JavaScript is based on. This policy helps prevent unauthorized data access and enhances security on the web. The Same Origin Policy is a security measure in web browsers that restricts web pages from making requests to a different domain than the one that served the web page. This means that JavaScript will attempt to convert values from one data type to another in certain situations, such as when performing operations between different data types. Yes, JavaScript supports automatic type conversion, also known as type coercion. Does JavaScript support automatic type conversion? It provides a concise way to unpack values from objects, making code cleaner and more readable. ![]() Object destructuring is a feature in JavaScript that allows you to extract properties from objects and bind them to variables. It allows you to create more specialized functions by partially applying arguments. What is Currying in javascript?Ĭurrying is a functional programming concept in JavaScript where a function that takes multiple arguments is transformed into a series of functions that take one argument each. Memoization is a technique in programming where the results of expensive function calls are cached so that if the same inputs occur again, the cached result is returned instead of re-computing the result, which can improve performance. Presented below are a few examples of Advanced JavaScript Interview Questions and Answers suitable for individuals at various stages of their career. These questions often include references to more extensive information sources. They serve as a valuable resource for both beginners and experienced individuals seeking to expand their knowledge. JavaScript Interview Questions and Answers aim to enhance comprehension of fundamental concepts, programming functionality, JavaScript data structures, and advanced JavaScript concepts.
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