My 2015 school recruitment (front-end)_html/css_WEB-ITnose

Baidu School Recruitment

Written Test

1. Semantic Tags

2. Client storage: localStorage&cookie

3. position

4. javascript algorithm: generate RGB

5. mobile phone When Baidu jumps to the page, there is a period of blank space. How to improve it? At least five kinds (inspection point: front-end performance optimization)

Interview

Purely technical focus on one side: native javascript

Link comes first and script comes last. Why?
When the page runs to the script, should it execute the html immediately after downloading it or execute the html immediately after parsing it?

知识点	考点
javascript	类型转换。如undefined 1=?;window 1=? this return false 原生ajax
css	IE兼容。如IE6下除了下划线还有其他的CSS hack技术吗？ IE6下position fixed不起作用 IE6双边距bug
html	冒泡到哪里
前端性能优化	link最前，script最后，为什么？ 页面运行到script是下载完就立刻执行html还是解析完立刻执行html

Knowledge points

Test points

javascript

Type conversion. Such as undefined 1=?;window 1=?

this
return false
native ajax

知识点	考点
智力题	1000！有几个0
javascript	冒泡方法:stopPropagation cacelBUbble 当有多个处理函数绑定到onload事件上，如何保证这几个事件执行的顺序？
算法	字符串去重(1,"1") 查出最大的两个元素(不排序，不遍历) 一个数组分奇数，偶数
http协议	403,402

css

IE compatible. For example, are there any other CSS hack techniques besides underlining under IE6?
position fixed does not work under IE6
IE6 double margin bug

html

Where to bubble

Front-end performance optimization

Technical focus of the second-sided project: inspection project Experience

Three interviews focusing on life focus: character assessment

Meituan Campus Recruitment

One technical focus: javascript basics Technical focus on the second side: Algorithm javascript events are loaded in sequence

Knowledge points

Test points

Intelligence questions

Javascript基础

闭包，作用域，this，原生ajax

1000 ! There are several 0

javascript

Bubble method: stopPropagation cacelBUbble

When there are multiple processing functions bound to the onload event, how to ensure the order in which these events are executed?

Algorithm

String deduplication (1, "1" )
Find the two largest elements (no sorting, no traversal)
An array is divided into odd numbers and even numbers

http protocol

403,402

Three interviews to discuss the key points in life: examine ambition Alibaba School Recruitment (recommended) Technical focus on one side: javascript basics IEcss compatibility Technical focus on the second side: javascript basics Three interviews to discuss the key points of life: I asked a few questions about the books I have read (picture preloading technology) Xiaomi Campus Recruitment (written test) Palindrome Design accordion component (can use js, if not js is better) Tencent Campus Recruitment (written test) xss Note: table>

Javascript basics

Closure, scope, this, native ajax