数据绑定
JavaScript 中的属性监听与数据绑定
数据绑定即将某个数据源与消费者绑定，譬如将某个响应函数绑定到某个对象的属性，在该属性发生变化时触发。
In computer programming, data binding is a general technique that binds data sources from the provider and consumer together and synchronizes them. - Wiki
数据绑定即将某个数据源与消费者绑定，譬如将某个响应函数绑定到某个对象的属性，在该属性发生变化时触发。
In computer programming, data binding is a general technique that binds data sources from the provider and consumer together and synchronizes them. - Wiki