JS: zadanie 1.0.0

Developer
Greg Szul
Size
1,969 Kb
Views
12,144
  1. JS: zadanie 1.0.0 Previews
  2. JS: zadanie 1.0.0 HTML Codes
  3. JS: zadanie 1.0.0 JS Codes

How do I make an js: zadanie 1.0.0?

What is a js: zadanie 1.0.0? How do you make a js: zadanie 1.0.0? This script and codes were developed by Greg Szul on 14 December 2022, Wednesday.

JS: zadanie 1.0.0 Previews
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JS: zadanie 1.0.0 - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>JS: zadanie 1.0.0</title>
</head>
<body> <script src="js/index.js"></script>
</body>
</html>

JS: zadanie 1.0.0 - Script Codes JS Codes

var makeEmployee = function(options) { var events = {}; return { firstname: options.firstname, birthday: new Date("1980-12-12"), //dodanie funckji obsługującej sprawdzenie czy istnieje eventListener oraz ewentualne wywołanie go; //argumentem powinien byc string z nazwa pola na którym będziemy wykonywać operacje listenerCheck: function(propertyToCheck) { for (var item in events) { //zakładam, że nazwy event listenerow będą rozpoczynać sie od "change:" if (item.substr(7, item.length) === propertyToCheck) { events[item].map(function(item) { item(); }); } } }, setFirstname: function(firstname) { this.firstname = firstname; this.listenerCheck("firstname"); }, setBirthday: function(birthday) { this.birthday = birthday; this.listenerCheck("birthday"); }, addEventListener: function(eventName, eventCallback) { if (!events[eventName]) { events[eventName] = []; } events[eventName].push(eventCallback); } };
};
var emp = makeEmployee({ firstname: "Mariusz", birthday: new Date("1981-12-12")
});
emp.addEventListener("change:firstname", function(firstname) { alert("zmiana imienia");
});
emp.addEventListener("change:firstname", function(firstname) { alert("o, zmienilo sie imie");
});
//test
emp.addEventListener("change:age", function(firstname) { alert("o, zmienil sie wiek"); // powinien sfailować "silent fail :D
});
emp.addEventListener("change:birthday", function(firstname) { alert("o, zmienil sie wiek");
});
emp.setFirstname("Darek");
emp.setBirthday("costam");
// niech wyswietli "zmiana imienia" oraz "o, zmienilo sie imie"
JS: zadanie 1.0.0 - Script Codes
JS: zadanie 1.0.0 - Script Codes
Home Page Home
Developer Greg Szul
Username GregSzul
Uploaded December 14, 2022
Rating 3
Size 1,969 Kb
Views 12,144
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