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What is hoisting in JavaScript with an example?
Hoisting is a behavior in JavaScript where variables and function declarations are moved to the top of their containing scope…
What is a Closure in JavaScript?
A closure in JavaScript is a function that remembers the variables from its outer lexical scope even after the outer…
Explain Deep Copy and Shallow Copy in JavaScript.
1. Shallow Copy A shallow copy creates a new object with copies of the values of the original object’s properties.If…
Explain Call, Apply and Bind in JavaScript.
Call, Apply, and Bind in JavaScript In JavaScript, call(), apply(), and bind() are methods that allow you to control the…
What is a Meta Tag in HTML?
A meta tag in HTML is an element that provides metadata (information) about a web page.Meta tags do not display…
What is Doctype HTML in HTML?
The <!DOCTYPE html> declaration is used to define the document type and version of HTML being used.It tells the **browser…
What is the difference between “HTML” and “HTML5”?
Difference Between HTML and HTML5 HTML (HyperText Markup Language) is the standard language used to create and structure web pages.HTML5…
What is the Event Loop in JavaScript?
The Event Loop in JavaScript is a mechanism that handles the execution of multiple pieces of code asynchronously and ensures…