knockoutjs:Example 2: 特定の値じゃなければenable(有効化):The enable binding
- <!DOCTYPE html>
- <html lang="ja">
- <head>
- <meta charset="UTF-8">
- <title>knockoutjs:Example 2: 特定の値じゃなければenable(有効化):The enable binding</title>
- <script type="text/javascript" src="knockout-2.1.0beta.js"></script>
- </head>
- <body>
- <h1>knockoutjs:Example 2: 特定の値じゃなければenable(有効化):The enable binding</h1>
- <p>
- Your cellphone number:
- <input type='text' data-bind="value: cellphoneNumber" />
- </p>
- <button data-bind="enable: parseAreaCode(cellphoneNumber()) != '555'">
- Do something
- </button>
- <script type="text/javascript">
- function parseAreaCode(inputData) {
- return inputData;
- }
- function viewModel() {
- var self = this;
- self.cellphoneNumber = ko.observable();
- }
- ko.applyBindings(new viewModel);
- </script>
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