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What is Generator? A JavaScript generator is a special type of function that allows you to generate a sequence of values, one at a time, using the...
What is Closure? In JavaScript, closure is a combination of a function and the lexical environment within which that function was declared. You may...
What are they? In JavaScript, bind(), call(), and apply() are methods that allow you to control the execution context of a function. They provide ways...
What is Asynchronous Programming? Asynchronous programming is a technique that allows your program to start a long-running task and still be able to...
What is Optional Chaining Operator (?.)? It was introduced in ES2022 and is an operator that accesses an object’s property or calls a function. If the...
What is prototype inheritance? Prototype inheritance is a mechanism for object-oriented programming that allows objects to inherit properties and...
