Understanding the concept of closures in JavaScript is crucial for effective programming

The snippet of code shown below continuously outputs the number 10. How can I modify it to display the sequence: 0 1 2 3 4 5 6 7 8 9

Below is the code in question:

function go() {
    var procedures = [];

    for (var i = 0; i < 10; i++) {
      procedures[procedures.length] = function () {
        alert("You are now " + i + " years old");
      };
    }

    run_procs(procedures);
}

function run_procs(procs) {
    for (var i = 0; i < procs.length; i++) {
        procs[i]();
    }
}

go();

I would appreciate some guidance on how to achieve the desired output. Thank you!

Answer №1

Enclose it within a self-invoking anonymous function

for (var x = 0; x < 10; x++) {
    (function (x) {
        steps[steps.length] = function () {
            alert("Congratulations! You have reached age " + x);
        }
    })(x);
}

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