Javascript Self Invoking Functions Tutorial With Examples A javascript function is a block of code designed to perform a particular task. a javascript function is executed when "something" invokes it (calls it). Functions in javascript are reusable blocks of code designed to perform specific tasks. they allow you to organize, reuse, and modularize code. it can take inputs, perform actions, and return outputs. a function definition is sometimes also termed a function declaration or function statement.

Javascript Functions Beginners Tutorial Explained With Examples A function is an independent block of code that performs a specific task. a function expression is a way to store functions in variables. in this tutorial, you will learn about javascript functions and function expressions with the help of examples.

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