js中的匿名函数

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hidden</title>
    <script>
        //匿名函数
        window.onload = function (){
            alert("The page is loaded!");
        };
        
        setTimeout(function() {
            alert("aha, you job is fanstatic!");
            }, 5000);

        function vaccine(dosage){
            if (dosage > 0){
                inject(dosage);
            }
        }
        administer(patinent, vaccine, time)

        administer(patient, function(dosage){
            if (dosage > 0){
                inject(dosage);
            }

        }, time)
        


    </script>
</head>
<body>

</body>
</html>

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