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Vue.js 1.0.0 beta4 发布，首个 RC 版本计划在下周发布，十月底发布正式版。
1.0 文档预览：rc.vuejs.org
相比 1.0.0-beta.3，改进如下：
重大改进
- Vue no longer extends
Object.prototypewith$setand$deletemethods. - Instance method
vm.$addChild()has been deprecated. - The global config
protohas been deprecated. v-forno longer usestrack-by="$index"behavior for Arrays of primitive values by default.v-forno longer converts the value to Array before piping it through filters.- The
orderByfilter now expects its second argument to be a number instead of a boolean. - Global asset registration methods, e.g.
Vue.component, now returns the registered asset.
改进
v-oncan now handle multiple key modifiers:1<input @keyup.enter.esc="onEnterOrEsc">- Directive modifiers are now exposed to custom directive instances as
this.modifiers:1<div v-my-directive.one.two="xxx">1234Vue.directive('my-directive', { bind:function() {this.modifiers.one// -> truethis.modifiers.two// -> true}})
Bug 修复
- #1398 Use more reliable visibility check for transitions. This fixes situations where elements are stuck on leave if the parent element is not visible.
- #1399 Modifiers are no longer included in
this.argfor custom directives. - #1400 only warn twoWay prop binding type mismatch when the prop is present.
下载：https://github.com/yyx990803/vue/archive/1.0.0-beta.4.zip。
Vue.js 是构建 Web 界面的 JavaScript 库，提供数据驱动的组件，还有简单灵活的 API，使得 MVVM 更简单。
主要特性：
- 可扩展的数据绑定
- 将普通的 JS 对象作为 model
- 简洁明了的 API
- 组件化 UI 构建
- 配合别的库使用
支持的浏览器：https://saucelabs.com/u/vuejs
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