knockoutjs：Example 1: inputのenable（有効化）：The enable binding

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<title>knockoutjs：Example 1: inputのenable（有効化）：The enable binding</title>
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<h1>knockoutjs：Example 1: inputのenable（有効化）：The enable binding</h1>
<p>
<input type='checkbox' data-bind="checked: hasCellphone" />
I have a cellphone
</p>
<p>
Your cellphone number:
<input type='text' data-bind="value: cellphoneNumber, enable: hasCellphone" />
</p>
<script type="text/javascript">
var viewModel = {
hasCellphone : ko.observable(false),
cellphoneNumber: ""
};
ko.applyBindings(viewModel);
</script>
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