Immediately Invoked Function Expression (IIFE) | Javascript IIFE Function Expressions Explained

Code : //Immediately Invoked Function Expression (IIFE) //It is a javascript function which runs as soon as it is defined //first closing paranthesis makes an expression //Last closing paranthesis tells javascript interpreter to call this //function immediately (function(){ console.log("Welcome to Azhar Techno Coder Channel") })(); //Named IIFE (favMovie = function(movie="Inception"){ console.log("My favorite movie is "+movie) })(); favMovie("Interstellar") //Adv : to avoid declaring variables in global scope and to create //closures let b=2 { let b=3 console.log(b) } console.log(b) O/P : Welcome to Azhar Techno Coder Channel My favorite movie is Inception My favorite movie is Interstellar 3 2 Next Steps : --------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------------------------------------- Must Watch Playlists ► 1. Javascript - https://youtube.com/playlist?list=PLO2l2fYgN805CokP5kaOWOhqP3-2vyXdS ► 2. Puppetter - https://youtube.com/playlist?list=PLO2l2fYgN805E5fbSnvtFM3K9c92ePS8e ► 3. Cypress - https://youtube.com/playlist?list=PLO2l2fYgN807KRpLfvvrqa1MSX8XdYxkV ► 4. Tech works - https://www.youtube.com/watch?v=ZNAdt4Oe5Sw&list=PLO2l2fYgN807CQ5H3ER__7x7LeEA10T2Z ► 5. Vbscript Basics To Advanced - https://www.youtube.com/watch?v=z_ctZDolyG0&list=PLO2l2fYgN805CuD-90ESrxRqX__-YJMym ► 6. Jmeter - https://youtube.com/playlist?list=PLO2l2fYgN806eNr5cr-TMTX8xGTW7Mtcn ► 7. Excel - https://youtube.com/playlist?list=PLO2l2fYgN806piZ2fD0bYNi3ExoPJlcqj ► 8. Appium - https://www.youtube.com/playlist?list=PLO2l2fYgN806V_9-wL-dpmrGg8dhPPONK ► 9. Shares - https://youtube.com/playlist?list=PLO2l2fYgN806ySmKp3sskJW0ByJalmPE2 ► 10. Javascript Interview Questions -https://youtube.com/playlist?list=PLO2l2fYgN807uZl7Mp7ESavluzVU25ux9 --------------------------------------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------------------------------------- #IIFE #ImmediatelyInvokedFunctionExpression #javascript