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kero

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<div class="example-content"><!-- ko通过data-bind绑定数据 --> <p>First name: <input data-bind="value: firstName" /></p> <p>Last name: <input data-bind="value: lastName" /></p> <h2>Hello, <span data-bind="text: fullName"> </span>!</h2></div> <div class="example-content ex-hide"><script>// 定义ViewModel var ViewModel = function(first, last) { // ko.observable可实时监听数据,实现绑定 this.firstName = ko.observable(first); this.lastName = ko.observable(last); this.fullName = ko.pureComputed(function() { // ko.pureComputed用于执行计算,实时返回改变后的结果 return this.firstName() + " " + this.lastName(); }, this); }; ko.applyBindings(new ViewModel("Planet", "Earth")); // 通过ko.applyBindings执行knockout </script></div> <div class="examples-code"><pre><code>&lt;!-- ko通过data-bind绑定数据 --> &lt;p>First name: &lt;input data-bind="value: firstName" />&lt;/p> &lt;p>Last name: &lt;input data-bind="value: lastName" />&lt;/p> &lt;h2>Hello, &lt;span data-bind="text: fullName"> &lt;/span>!&lt;/h2></code></pre> </div> <div class="examples-code"><pre><code>// 定义ViewModel var ViewModel = function(first, last) { // ko.observable可实时监听数据,实现绑定 this.firstName = ko.observable(first); this.lastName = ko.observable(last); this.fullName = ko.pureComputed(function() { // ko.pureComputed用于执行计算,实时返回改变后的结果 return this.firstName() + " " + this.lastName(); }, this); }; ko.applyBindings(new ViewModel("Planet", "Earth")); // 通过ko.applyBindings执行knockout</code></pre> </div>