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December 24, 2015 07:09
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Dices is really small app, which show using of knockout.js
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" | |
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> | |
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> | |
<head> | |
<title>Dices</title> | |
<meta http-equiv="content-type" content="text/html;charset=utf-8" /> | |
<meta name="author" content="Ondřej Profant" /> | |
</head> | |
<body> | |
<form data-bind="submit: cast"> | |
<fieldset> | |
<dl> | |
<dt>Number of dices</dt> | |
<dd><input type="number" data-bind="value: repetition"></input></dd> | |
<dt>Dice type</dt> | |
<dd><select data-bind="options: types, value: selectType"></select></dd> | |
<dt>Note</dt> | |
<dd><input data-bind="value: note"></input></dd> | |
</dl> | |
<button type="submit">cast</button> | |
</fieldset> | |
<fieldset> | |
<legend>Results</legend> | |
<select multiple="multiple" data-bind="options: history" > | |
</select> | |
</fieldset> | |
</form> | |
<script type='text/javascript' src='http://ajax.aspnetcdn.com/ajax/knockout/knockout-2.2.1.js'></script> | |
<script> | |
function Cast(type, repetition, note) { | |
this.sum = 0; | |
this.results = []; | |
this.note = note || ""; | |
this.type = type; | |
for (var i = 0; i < repetition; i++) { | |
var r = Math.floor(Math.random() * this.type) + 1; | |
this.sum += r; | |
this.results.push(r); | |
}; | |
} | |
Cast.prototype.toString = function() { | |
return "Type: " + this.type + | |
", Sum: " + this.sum + | |
", Casts: " + this.results.join() + | |
", Note: " + this.note ; | |
} | |
function Model() { | |
this.history = ko.observableArray([]); | |
this.types = [4, 6, 12, 20]; | |
this.selectType = this.types[0]; | |
this.repetition = 1; | |
this.note = ""; | |
this.cast = function() { | |
this.history.push(new Cast(this.selectType, this.repetition, this.note)); | |
}.bind(this); | |
} | |
ko.applyBindings(new Model()); | |
</script> | |
</body> | |
</html> |
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