2018 latest front-end interview questions 2
This time we bring you the latest front-end interview questions in 2018. We know that interviews are an essential part of front-end work. This time, the common front-end interview questions are sorted and summarized to help you get through the front-end interview. Big trouble. , let’s take a look.
[Related recommendations: Front-end interview questions (2020)]
1. How do you optimize the files and resources of the website?
1. Make sure the website information description is unified
2. Clarify the information inside the website invalid and repeat information
3. allow users to quickly and accurately view the relevant content on the website
4. Optimize the internal structure for searching for
In order to achieve the above effects, we generally take several methods: keyword optimization, optimization of keywords, optimization, Website page optimization, internal structure information optimization and how to improve the friendliness and user experience of the web page.
2. Please name three ways to reduce page loading time. (Loading time refers to perceived time or actual loading time)
1. Reduce HTTP requests;
2. Merge and compress Js/css files; #caching
manifest;4. Turn on gzip on the server side; ## 6. Put external JS and CSS at the bottom
7. Operate the DOM as little as possible. Some DOM that need repeated operations can be placed in
variables3. If you participate in a project and find that they use Tabs to indent code, but you like spaces, what will you do?
1. It is recommended that the project use specifications such as EditorConfig 2. In order to maintain the consistency of the style, maintain the original
3. Directly use the retab command in vim to Convert all tabs to spaces
4. Please talk about your understanding of the importance of web standards and standard-setting organizations. Webpage Standard and Standard Formulation Agency are to make web more 'healthy'. First of all,Browser developers follow the unified standards, followed by restricted website developers. Development difficulty, development cost, SEO will also be easier, and various BUG and
security
issues will not be caused by misuse of code, ultimately improving the usability of the website.
V3C's significance is to make the browser compatibility as possible as small as possible. First of all, they restrict the browser developers, and then the restrictions on developers. I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website! Related reading:
Front-end interview questions about Node.js2018 latest front-end interview questions one
The above is the detailed content of 2018 latest front-end interview questions 2. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



Article discusses creating, publishing, and maintaining JavaScript libraries, focusing on planning, development, testing, documentation, and promotion strategies.

The article discusses strategies for optimizing JavaScript performance in browsers, focusing on reducing execution time and minimizing impact on page load speed.

Frequently Asked Questions and Solutions for Front-end Thermal Paper Ticket Printing In Front-end Development, Ticket Printing is a common requirement. However, many developers are implementing...

The article discusses effective JavaScript debugging using browser developer tools, focusing on setting breakpoints, using the console, and analyzing performance.

There is no absolute salary for Python and JavaScript developers, depending on skills and industry needs. 1. Python may be paid more in data science and machine learning. 2. JavaScript has great demand in front-end and full-stack development, and its salary is also considerable. 3. Influencing factors include experience, geographical location, company size and specific skills.

The article explains how to use source maps to debug minified JavaScript by mapping it back to the original code. It discusses enabling source maps, setting breakpoints, and using tools like Chrome DevTools and Webpack.

In-depth discussion of the root causes of the difference in console.log output. This article will analyze the differences in the output results of console.log function in a piece of code and explain the reasons behind it. �...

Once you have mastered the entry-level TypeScript tutorial, you should be able to write your own code in an IDE that supports TypeScript and compile it into JavaScript. This tutorial will dive into various data types in TypeScript. JavaScript has seven data types: Null, Undefined, Boolean, Number, String, Symbol (introduced by ES6) and Object. TypeScript defines more types on this basis, and this tutorial will cover all of them in detail. Null data type Like JavaScript, null in TypeScript
