What Is This Keyword In Javascript

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what is this keyword in javascript and how to use it with examples

What Is THIS Keyword In JavaScript And How To Use It With Examples

In JavaScript this keyword refers to the current context or scope within which code is executing Its value is determined by how a function is called and it can dynamically change depending on the invocation context The this keyword refers to different objects depending upon how it is used In JavaScript, the this keyword always refers to an object. The thing about it is that the object it refers to will vary depending on how and where this is being called. And there's a few different ways in which you can use the this keyword, so let's see the most common cases and how it behaves in each of them.

The this keyword in javascript simplified short concise article

The This Keyword In JavaScript Simplified Short Concise Article

What Is This Keyword In JavascriptThe this keyword behaves differently in JavaScript compared to other languages. In Object Oriented languages, the this keyword refers to the current instance of the class. In JavaScript the value of this is determined by the invocation context of function (context.function()) and where it is called. 1. When used in global context The this keyword refers to the context where a piece of code such as a function s body is supposed to run Most typically it is used in object methods where this refers to the object that the method is attached to thus allowing the same method to be reused on different objects