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Q1. What is closures
Ans. 
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow functions to access variables from their parent function even after the parent function has returned.

• They help in creating private variables and functions in JavaScript.

• Closures are commonly used in event handlers and callbacks.
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Q2. What is call apply bind
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call, apply, and bind are methods in JavaScript used to manipulate the context of a function.
• call() is used to invoke a function with a specified 'this' value and arguments provided individually.

• apply() is similar to call() but arguments are passed as an array.

• bind() is used to create a new function with a specified 'this' value and initial arguments.
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Q1. What Prototype in JS What is closure in JS What Recursive functions What Constructor functions What hoisting in js Diff btw var,let, const Find the no of occurance of text in string Find the duplicate cou...read more
Ans. 
Prototype in JS refers to the mechanism by which objects in JavaScript inherit properties and methods from other objects.
• Prototype chain allows objects to inherit properties and methods from other objects

• Prototype-based inheritance is a key feature of JavaScript

• Example: Creating a new object using a constructor function and adding methods to its prototype
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