kero
Version:
13 lines (11 loc) • 490 B
JavaScript
// 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