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vue笔记

vue

用 Vuejs 来做前端框架,对于处理数据的方面可以完全的
替换掉原有的 dom 操作的理念(之前我们常用的原生 js 以及 jquery
类库),通过 Vuejs 框架提供的指令,前端开发人员不再关心 dom 是

冒泡机制

使用.stop 来对事件的冒泡机制进行阻止
js 中的事件的冒泡指的是,在触发了内层元素的同时,也会随之
继续触发外层元素(外层元素包裹了内层元素),在做点击的过程中,
点击了内层元素,也可以认为是同时点击了外层元素。所以两个事件
都会触发。

v-mode数据绑定

对 v-bind 的绑定数据的形式得出一个结论,v-bind 只能 实现数据的单向绑定,从模型(M)绑定到视图(V),使用 VM 将数 据去渲染视图,但是我们无法通过该形式实现数据的双向绑定。 双向数据绑定

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