Let’s go through an example of different ways to call a function in JavaScript. Let’s say we have a function that prints Hello World to the console. We can call this as:
function HelloWorld() { console.log("Hello World"); } HelloWorld();
This function can also be assigned an anonymous variable and called as below:
var i = function() { console.log("Hello World"); } i();
Or also run immediately as:
var i = function() { console.log("Hello World"); }();
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