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rubystar/index.html

Created January 23, 2021 16:48
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JS Bin // source https://jsbin.com/bexovusahe
Raw
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.3.0/knockout-min.js"></script>
<div id="root">
<input data-bind="value: name" type="text">
<span data-bind="text: greet"></span>
<br>
<br>
<br>
<button data-bind="click: increment">+</button>
<button data-bind="click: decrement">-</button>
<button data-bind="click: reset">Reset</button>
<h2 data-bind="text: counter"> </h2>
</div>
<script id="jsbin-javascript">
function MyViewModel() {
var self = this;
self.counter = ko.observable(0);
self.name = ko.observable("World");
self.greet = ko.computed(function() {
return "Hello " + self.name();
}, self);
self.increment = function() {
var current = self.counter();
self.counter(current + 1);
}
self.decrement = function() {
var current = self.counter();
if (current === 0) {
self.counter(0);
return;
}
self.counter(current - 1);
}
}
ko.applyBindings(new MyViewModel());
</script>
<script id="jsbin-source-javascript" type="text/javascript">function MyViewModel() {
var self = this;
self.counter = ko.observable(0);
self.name = ko.observable("World");
self.greet = ko.computed(function() {
return "Hello " + self.name();
}, self);
self.increment = function() {
var current = self.counter();
self.counter(current + 1);
}
self.decrement = function() {
var current = self.counter();
if (current === 0) {
self.counter(0);
return;
}
self.counter(current - 1);
}
}
ko.applyBindings(new MyViewModel());</script></body>
</html>
Raw
jsbin.bexovusahe.js
function MyViewModel() {
var self = this;
self.counter = ko.observable(0);
self.name = ko.observable("World");
self.greet = ko.computed(function() {
return "Hello " + self.name();
}, self);
self.increment = function() {
var current = self.counter();
self.counter(current + 1);
}
self.decrement = function() {
var current = self.counter();
if (current === 0) {
self.counter(0);
return;
}
self.counter(current - 1);
}
}
ko.applyBindings(new MyViewModel());
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