JavaScript-Succinctly/sample080.html at master · SyncfusionSuccinctlyE-Books/JavaScript-Succinctly · GitHub

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<!DOCTYPE html><html lang="en"><body><script>

    // functions can be stored in variables (funcA), arrays (funcB), and objects (funcC)
    var funcA = function () { }; // called like so: funcA()
    var funcB = [function () { } ]; // called like so: funcB[0]()
    var funcC = { method: function () { } }; // too.method() or funcC['method']()

    // functions can be sent to, and sent back from, functions
    var funcD = function (func) {
        return func
    };

    var runFuncPassedToFuncD = funcD(function () { console.log('Hi'); });

    runFuncPassedToFuncD();

    // functions are objects, which means they can have properties
    var funcE = function () { };
    funcE.answer = 'yup'; // instance property
    console.log(funcE.answer); // logs 'yup'

</script></body></html>