knockoutjs:Example 2: checked=checkedで表示・非表示:The checked binding
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- <h1>knockoutjs:Example 2: checked=checkedで表示・非表示:The checked binding</h1>
- <p>Send me spam: <input type="checkbox" data-bind="checked: wantsSpam" /></p>
- <div data-bind="visible: wantsSpam">
- Preferred flavors of spam:
- <div><input type="checkbox" value="cherry" data-bind="checked: spamFlavors" /> Cherry</div>
- <div><input type="checkbox" value="almond" data-bind="checked: spamFlavors" /> Almond</div>
- <div><input type="checkbox" value="msg" data-bind="checked: spamFlavors" /> Monosodium Glutamate</div>
- </div>
- <script type="text/javascript">
- var viewModel = {
- wantsSpam: ko.observable(true),
- spamFlavors: ko.observableArray(["cherry","almond"]) // Initially checks the Cherry and Almond checkboxes
- };
- // ... then later ...
- viewModel.spamFlavors.push("msg"); // Now additionally checks the Monosodium Glutamate checkbox
- ko.applyBindings(viewModel);
- </script>
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