zwow / zwow.github.io Goto Github PK
View Code? Open in Web Editor NEWA personal blog to record some note while learning.
A personal blog to record some note while learning.
<html>
<body>
<div>
绑定vm:<input type="text" id="model">
<br/>
绑定data:<input type="text" id="model2">
</div>
<div id="vm">
{{ num }}
</div>
</body>
<script>
let data = {
num: '',
};
const getDom = (value) => document.querySelector(value);
const vmDom = getDom('#vm');
const modelDom = getDom('#model');
const model2Dom = getDom('#model2');
const vm = new Proxy(data, {
get(target, key, receiver) {
console.log('getting', target, key, receiver);
return Reflect.get(target, key, receiver);
},
set(target, key, value, receiver) {
console.log('setting', target, key, value, receiver);
if (key === 'num') {
// TODO:遍历获取绑定数据的元素
modelDom.value = value;
model2Dom.value = value;
vmDom.innerHTML = value;
}
// target[key] = receiver;
return Reflect.set(target, key, value, receiver);
}
});
modelDom.addEventListener('keyup', (e) => {
vm.num = e.target.value;
console.log(data);
});
model2Dom.addEventListener('keyup', (e) => {
data.num = e.target.value;
console.log(data);
});
console.log(vm.num, vm.test);
setTimeout(() => {
// 数据驱动视图变化
vm.num = '14';
console.log('data', data);
console.log('vm', vm);
}, 2000);
</script>
</html>
前提:今天去面试的是网易前端的外包岗位,事先已经了解到到时候签约的是南油外服的一家第三方外包公司,是拉勾rpo介绍的,当时和我说是工作半年后有机会改签网易正式合同。
面试经过:
面试地点是在科韵路这边的网易大厦,首先我提前了15分钟多来到,来到后先填写一张面试登记表,里面信息比较多,到hr喊我过去面试的时候都还没写完(尴尬),不过hr和我说没写完也没问题,直接就带我上了5楼的小会议室等面试官。没过几分钟来了两位面试官,先是看了我的简历一阵然后就开始了面试。
首先是自我介绍,我说了大概的工作经验呀,做过的项目涉及的技术之类的,然后提到之前做过小程序下的IM聊天和制定过vue开发规范,然而整个过程中并没有提及相关问题,应该是对这些点不感兴趣。
问题大概有以下几点:
1.Vue.use的作用,原理
2.Vue组件间通信怎么实现(非父子组件间),我回答了事件总线eventbus,然后让我写实现(1)
3.前公司有没有遇到过跨域问题,写下jsonp的实现(2)
4.怎么让用使用setInterval实现的倒计时变得精确,写下实现(3)
5.有没做过移动端项目,移动端怎么适配不同机型的分辨率和物理像素
6.移动端有没遇到过滚动不流畅问题,怎么解决
7.怎么写一个高性能的随机打乱数组顺序的方法,写实现(4)
注:上面标数字的都是要求我现场在纸上手写代码的,有些点我写的比较久就直接让我说思路了,然后感觉两位面试官各有侧重,一位侧重pc端,一位侧重移动端。
接下来逐点分析考察内容,(未完待续)
第一点,问了我Vue.use的作用,这里我回答可能不是很清晰,说了作用是将插件注册到vue的原型上。
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.