Knockout Lists

Developer
Ruslan Marin
Size
2,531 Kb
Views
4,048
  1. Knockout Lists Previews
  2. Knockout Lists HTML Codes
  3. Knockout Lists CSS Codes
  4. Knockout Lists JS Codes

How do I make an knockout lists?

What is a knockout lists? How do you make a knockout lists? This script and codes were developed by Ruslan Marin on 07 December 2022, Wednesday.

Knockout Lists Previews
IQ Test

Knockout Lists - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Knockout Lists</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <h2>Заказы (<span data-bind="text: seats().length"></span>)</h2>
<table> <thead> <tr> <th>Client name</th> <th>Meal</th> <th>Surcharge</th><th></th> </tr> </thead> <tbody data-bind="foreach: seats"> <tr> <td> <input data-bind="value: clientName" /> </td> <td class="centered"> <select data-bind="options: $root.menu, value: meal, optionsText: 'name'"></select> </td> <td data-bind="text: meal().formattedPrice" class="centered"></td> <td><a href="#" data-bind="click: $root.removeSeat, text: 'Remove'"></a></td> </tr> </tbody>
</table>
<button data-bind="click: addSeat, enable: seats().length < 5">Reserve another seat</button>
<h3 data-bind="visible: total() > 0"> Итого: <span data-bind="text: '$' + total().toFixed(2)"></span>
</h3> <script src='https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Knockout Lists - Script Codes CSS Codes

table { background-color: lightgreen;
}
.centered { text-align: center;
}

Knockout Lists - Script Codes JS Codes

// Конструктор блюда
function Meal(name, price) { var self = this; self.name = name; self.price = price; self.formattedPrice = ko.computed(function(){ return self.price ? "$" + self.price.toFixed(2) : "-"; });
}
// Конструктор заказа
function SeatReservation(name, initialMeal) { var self = this; self.clientName = name; self.meal = ko.observable(initialMeal);
}
// viewmodel с информацией о заказах
function ReservationsViewModel() { var self = this; // Меню self.menu = [ new Meal("Standard (sandwich)", 0 ), new Meal("Premium (lobster)", 34.95 ), new Meal("Ultimate (whole zebra)", 290 ), ]; // Начальные заказы self.seats = ko.observableArray([ new SeatReservation("Lisa", self.menu[0]), new SeatReservation("Bart", self.menu[1]), new SeatReservation("Homer", self.menu[2]) ]); self.addSeat = function() { self.seats.push(new SeatReservation("", self.menu[0])); }; self.removeSeat = function(seat) { self.seats.remove(seat); }; self.total = ko.computed(function(){ var total = 0; for (var i = 0; i < self.seats().length; i++) { total += self.seats()[i].meal().price; } return total; });
}
ko.applyBindings(new ReservationsViewModel());
Knockout Lists - Script Codes
Knockout Lists - Script Codes
Home Page Home
Developer Ruslan Marin
Username marinru
Uploaded December 07, 2022
Rating 3
Size 2,531 Kb
Views 4,048
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