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What is JavaScript?-- operator -= operator ++ operator += operator Accessing and setting content Array concat() method Array indexOf()Array length Array pop()Array shift Arrays Booleans Braces Callback function Calling the function Class Closure Code block Comment Conditions Console Constructor Creating a p element Data types Date getTime()Destructuring Else Else if Enum Equals operator Error Handling ES6 Event loop Events Extend Fetch API Filter For loop forEach()Function Function bind()Function name Greater than Head element Hoisting If statement includes()Infinity property Iterator JSON Less than Local storage Map Methods Module Numbers Object.keys()Overriding methods Parameters Promises Random Reduce Regular expressions Removing an element Replace Scope Session storage Sort Splice String String concat()String indexOf()Substring Switch statement Template literals Ternary operator Tile Type conversion While loop

Calling the function in JavaScript

To run the code, we need to call the function. We do that by coding its name followed by parentheses, like greetUser();.


                  
                    jsx
                    
                  
                  
                    function greetUser() {
 console.log("Good morning Anna");
 console.log("Welcome back");
}

greetUser();