Summary of points to note about front-end performance

The question of how to vertically center an element in css is already a commonplace question. Whether it is a newbie or a veteran, this question is often asked during the interview process. I was watching a flex video tutorial two days ago, and it mentioned the centering of elements, so today I will take a look at some common methods. Please criticize and correct any shortcomings (all the codes are typed by myself and available) 1. Horizontal centering (margin: 0 auto;) Regarding this, everyone should be the least familiar with it, whether it is in a training class or self-study if. This should be the first method taught by the teacher (horizontally), but it has a premise that the wrapped elements cannot have floating attributes. Otherwise, this attribute will become invalid. The specific code is as follows: body{margin: 0;}

1. Detailed explanation of CSS3 page layout browser compatibility and front-end performance optimization methods

Introduction: This article explains in detail how elements in CSS are displayed centered on their parent elements

2. Examples of how to improve website front-end performance in HTML5 Code analysis

Introduction: 1. The biggest problem with replacing cookies with web storage is that it will be followed every time Request the back. In HTML5, sessionStorage and localStorage are used to store user data directly on the client, which can reduce the amount of data in HTTP requests. Moreover, Web storage also provides APIs to manipulate data, unlike cookies, which you have to write yourself. // if localStorage is present, use th

3. JavaScript event high-performance written example code

Introduction: How to make an efficient web front-end program is a question I unconsciously consider every time I do front-end development. A few years ago, the awesome front-end engineers at Yahoo published a book on improving web front-end performance, which caused a sensation in the entire web development technology community. The mysterious web front-end optimization problem became a common problem on the street, and web front-end optimization became Simple questions that both rookies and experts can answer. When the entire industry knows the shocking secret answer, then the existing optimization technology can no longer produce a qualitative leap in the website you develop. In order to make the website we develop perform better than others To make the website more excellent, we need to think more deeply independently and reserve more excellent...

4. Comparative explanation of CDN and WPO for HTML front-end performance optimization

Introduction: This article introduces the comparison between CDN and WPO for HTML front-end performance optimization

5. CSS3 browser compatible

## Introduction: This article It mainly introduces the learning summary of CSS3 and page layout - browser compatibility and front-end performance optimization. It has certain reference value and you can learn more if you need it.

6. Use HMTL5 API to monitor front-end performance

## Introduction: The User Timing API can measure performance between two predefined markers in a web application. Developers only need to define the start and end markers of the measurement separately. The timing position can be marked through the function provided by the JavaScript object "".

7. Techniques for writing performance-efficient javascript events

Introduction: How to make an efficient web front-end program is a question I unconsciously consider every time I do front-end development. A few years ago, the awesome front-end engineers at Yahoo published a book about improving web front-end performance,

8. [Interview Season 2] Front-end Performance Optimization_html /css_WEB-ITnose

Introduction: [Interview Season 2] Front-end performance optimization

9. Web front-end performance optimization _html/css_WEB-ITnose

Introduction: Web front-end performance optimization

10. [Front-end performance] High performance Scroll scroll and page rendering optimization_html/css_WEB-ITnose

Introduction: [Front-end performance] High-performance scroll scroll and page rendering optimization

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