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<!DOCTYPE html>
<html class="theme-next mist use-motion" lang>
<head><meta name="generator" content="Hexo 3.8.0">
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<link rel="mask-icon" href="/images/logo.svg?v=5.1.4" color="#222">
<meta name="keywords" content="Hexo, NexT">
<meta name="description" content="一个Polo">
<meta property="og:type" content="website">
<meta property="og:title" content="Polo">
<meta property="og:url" content="http://yoursite.com/index.html">
<meta property="og:site_name" content="Polo">
<meta property="og:description" content="一个Polo">
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<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Polo">
<meta name="twitter:description" content="一个Polo">
<script type="text/javascript" id="hexo.configurations">
var NexT = window.NexT || {};
var CONFIG = {
root: '/',
scheme: 'Mist',
version: '5.1.4',
sidebar: {"position":"left","display":"hide","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},
fancybox: true,
tabs: true,
motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},
duoshuo: {
userId: '0',
author: 'Author'
},
algolia: {
applicationID: '',
apiKey: '',
indexName: '',
hits: {"per_page":10},
labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}
}
};
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<link rel="canonical" href="http://yoursite.com/">
<title>Polo</title>
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<p class="site-subtitle">记录而已</p>
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<link itemprop="mainEntityOfPage" href="http://yoursite.com/2020/09/17/浅谈vue双向数据绑定/">
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<a class="post-title-link" href="/2020/09/17/浅谈vue双向数据绑定/" itemprop="url">浅谈vue双向数据绑定</a></h1>
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前沿最近在研究vue的源码，再次记录一下众所周知vue通过数据劫持+发布订阅模式实现双向绑定那么我们就一步一步来实现一个简易版本的mvvm吧
入口12345678910111213141516171819202122class Vue { constructor(options) &
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<a class="post-title-link" href="/2019/07/23/自己实现一个new方法/" itemprop="url">自己实现一个new方法</a></h1>
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2019-07-23
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前沿好久没有写点东西了，最近看了下js基础教程，觉得有些东西还是有必要记录下来
关于newnew关键字通常和构造函数一起使用，用于创建对象。1234567891011121314function Animal(name, action) { this.name= name;
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首先看一段代码123456789101112131415async function f1(){ await f2() console.log('f1') }// async function f2(){ console.log('f2') }
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原型对象、 构造函数、实例对象原型对象：这个要从构造函数开始说起，每个构造函数都会带有一个 prototype 属性。该属性是个指针，指向了一个对象，我们称之为 原型对象。什么是指针？指针就好比学生的学号，原型对象则是那个学生。我们通过学号找到唯一的那个学生。假设突然，指针设置 null, 学号重置
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<a class="post-title-link" href="/2019/05/27/检测数据类型的经典方法/" itemprop="url">检测数据类型的经典方法</a></h1>
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前沿用 typeof 是否能准确判断一个对象变量，答案是否定的，null 的结果也是 object，数组的结果也是 object，有时候我们需要的是 “纯粹” 的 object 对象。如何避免呢？比较好的方式是：1console.log(Object.prototype.toString.call(
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<a class="post-title-link" href="/2019/05/27/实现一个简单的Vue插件/" itemprop="url">实现一个简单Vue插件</a></h1>
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2019-05-27
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概念最近看了篇关于Vue插件的文章，为了避免忘记，打算写下来，以遍日后查阅。
我们引入全局变量的时候，可能需要一个一个的引入，而且在一个vue文件中引用的组件多了，会显得代码臃肿，所以才有了封装vue插件的需求。
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