dj
b9a9c52333
- 新增apiWatch.ts实现watch功能，支持immediate和deep选项 - 扩展ReactiveEffect类添加stop方法用于停止监听 - 导出ReactiveEffect和isReactive函数供外部使用 - 添加ReactiveFlags枚举和IS_REACTIVE标识符 - 在reactive对象上添加__v_isReactive标识 - 导出EMPTY_OBJ常量用于默认参数 - 添加watch功能到Vue入口文件 - 创建watch.html示例验证监听功能正常工作
26 lines
509 B
HTML
26 lines
509 B
HTML
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8">
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
<title>Document</title>
|
|
<script src="../../dist/vue.js"></script>
|
|
</head>
|
|
<body>
|
|
<div id="app"></div>
|
|
</body>
|
|
<script>
|
|
const { reactive,watch } = Vue
|
|
const obj=reactive({
|
|
name:'张三'
|
|
})
|
|
|
|
watch(obj,(value,oldValue)=>{
|
|
console.log('watch 监听被触发---value',value);
|
|
},{
|
|
immediate:true
|
|
})
|
|
setTimeout(()=>{
|
|
obj.name='李四'
|
|
},2000)
|
|
</script>
|
|
</html> |