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Directory path . web , corso-web-2024 .

HTML Document File : lezione-02-19.html 

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Lezione 19 Febbraio</title>
    <base href="https://arkenidar.com">
    <link rel="stylesheet" href="/sitewide.css"><script src="/web/dhtml/color-theme/colors.js"></script>
</head>

<body>
    <div>Lezione 19 Febbraio</div> <br>

    <div>printJSON(myMap([1, 2, 3], x => 2 * x))</div>
    
    <div id="consoleOutput"></div> <br>

    <script src="/web/html-console.js"></script>
    <script type="module">
        var htmlConsole = HTMLConsole(document.querySelector("#consoleOutput"))
        htmlConsole.outputLine("example: function keyword and related.")
        function nome1(x) { return x * 2 }
        var nome2 = function (x) { return x * 2 }
        var nome3 = x => x * 2
        var sequenza = [1, 2, 3].map(nome3)
        function printJSON(what) { htmlConsole.outputLine(JSON.stringify(what)) }
        printJSON(sequenza)
        printJSON(myMap([1, 2, 3], x => 2 * x))

        function addNTimes(nTimes, what) {
            if (nTimes <= 0) return
            var accumulates = what
            while (--nTimes) accumulates += what
            return accumulates
        }

        htmlConsole.outputText("addNTimes(3, 'X') ")
        printJSON(addNTimes(3, 'X'))

        htmlConsole.outputText("addNTimes(3, 2) ")
        printJSON(addNTimes(3, 2))

        function myMap(inputSequence, functionEach) {
            var outputSequence = []
            for (var eachOne of inputSequence)
                outputSequence.push(functionEach(eachOne))
            return outputSequence
        }
    </script>

    <div><a href="/web/corso-web-2024"> vai alla directory corrente. </a></div> <br>

    <script src="/web/show-source.js" data-href="/web/corso-web-2024/lezione-02-19.html"></script>

    <script src="/web/show-source.js" data-href="/web/html-console.js"></script>

</body>

</html>