JavaScript – Calling Functions

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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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Carl de Souza is a developer and architect focusing on Microsoft Dynamics 365, Power BI, Azure, and AI.

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