react js interview questions

React originated from Facebook's internal project. Because the company was dissatisfied with all the JavaScriptMVC frameworks on the market, it decided to write a set of items for setting up Instagram websites. this article introduces React. javaScript achieves native js drag-and-drop effects. If you need to learn it together,

I am also react native rookie, the following is just talk about the solution, specifically why can realize at present do not understand.I put WebView in the scrollview because of the demand relationship in the project.Method One:At first I followed some methods on the Internet in JS code as follows:12WebView3ref={' WebView '}4Source={{html:data.html}}5style={{Height: This. State. Webviewheight}}6scrollenabl

. Question 2 Second, call the getName function directly. Since it is called directly, it is to access the current getName function in the scope above, so it has nothing to do with 1 2 3. Countless interviewees answered this question as 5. There are two pitfalls: Variable declaration escalation and function expression. 1. Variable declaration escalation That is, all declared variables or declared functions are promoted to the top of the current function. For example, the following code: console.

. NET basic interview questions and. net questions I graduated this year and have some temporary preparations before the interview during my job search this semester. The following answers to the interview questions shared by Lao

). Apache directory settings can implement this function. For details, see http://blog.csdn.net/mygood322/article/details/7582531. The upload directory is generally set to a large directory for a user. Directory can be divided into multiple specific directories. To prevent repeated image uploads, you can: Prohibit Multiple submission buttons in a short period of time (JS control, the upload button becomes invalid several seconds after the button is c

PHP classic interview questions and php classic questions This article analyzes in detail the typical PHP interview questions. Share it with you for your reference. The details are as follows: I did some php questions on the Inter

AngularJS interview questions and angularjs questions What are the differences between ng-if and ng-show/hide? The first difference is that ng-if creates this dom node only when the following expression is true. ng-show is created at the initial time and uses display: block and display: none. The second difference is that ng-if will generate a new scope (implicit

according to your design to complete the following scenarios. 1. Find five articles closest to the specified article (similarity algorithms are based on the number of identical labels, and the larger the number, the more similar) Integrated Knowledge Section: 1. Talk about your understanding of cookies and sessions, what their application scenarios are, and how they might be able to explain how the session can be shared under a variety of applications. 2. Talk about your understanding of single

This article focuses on the question of Ajax questions and answers, you can take a look at the interview of those who are how to issue, and see what the correct answer is. Now, let's see this article. 1. Do you interact with the background during work? Well, can you tell me a few parameters in the encapsulated Ajax? URL: The address where the request was sent. Type: The request method (post or get) defaults

ArticleDirectory Html CSS JS Comprehensive Preface I went back to Chengdu last Thursday and took a break. I still need to solve my work problems. So I went to the interview today. Now I have returned the interview. I feel that I can organize my experiences. This series of interview

university is wonderful and I have full confidence in each interview. But now I want to explain why I have stayed in Zhengzhou for only two months .... After talking about the salary expectations, we are ready to enter the written examination.Chapter 3: day-to-day fraud Because I expect a high salary, I took a set of interview questions ,!!! Let me take a look a

Ddchuxing -- Summary of php interview questions and ddchuxingphp questions 1. Differences between echo and print Echo has no return value. print has return value 1. If the execution fails, false is returned. echo outputs faster than print because no return value exists. echo can output one or more strings, print can only output one string. print can be used for c

Summary of HTML interview questions H5, questions h51. What are the new features of H5 and what elements are removed? How to deal with the compatibility of new h5 labels in browsers and how to distinguish between html and html5 1. html5 is not a subset of SGL (General Markup Language), but includes: image, location, storage, multitasking, and other functions. 2.

JavaScript is not only a low threshold, but also an interesting, powerful and very important language. People from all walks of life find their most confusing choice is the Javasscript programming language. Because of the variety of backgrounds, not everyone has a broad understanding of JavaScript and its rationale. Usually carcass, unless you go to a job interview to think about why or what to do, otherwise JavaScript is just the content of your work

browser face questions. Includes DOM operations, BOM operations, event bindings, Ajax, and storage for these categories of topics. 6th Chapter Js-web-api (next)explain the specific application of JS in the browser face questions. Includes DOM operations, BOM operations, event bindings, Ajax, and storage for these cate

When you're ready for a technical iOS interview, it's important to understand what topics you might be asking and what experienced iOS developers expect.This is a series of questions that many Silicon Valley companies use to measure the level of seniority of iOS candidates.These issues cover all aspects of iOS development and are designed to reach a broad understanding of the platform.After all, advanced de

javascript is not only a low threshold, but also an interesting, powerful and very important language. People from all walks of life find their most confusing choice is the Javasscript programming language. Because of the variety of backgrounds, not everyone has a broad understanding of JavaScript and its rationale. Usually carcass, unless you go to a job interview to think about why or what to do, otherwise JavaScript is just the content of your work

This article mainly introduces react. js flip plug-in instance code information, very good, has reference value, you can refer to the need of friends not to talk about nonsense, below to share with you react. the code of the js flip plug-in is as follows: VarPage = React. c

All kinds of interview questions required for Web Front-end job-hopping after years, and for web Front-end job-hopping Lucky and glorious, the boss arranged a task-"sort out front-end interview questions ". Years ago it was really not a good time to recruit people, so our front-end team was overloaded and finally insis

Look at the interview questions, just to check the gaps, to see their own aspects still do not understand. Remember not to think that the back of the test, it is all right, it is best to understand the principle behind, so that the interview can be talked about. Otherwise, a little bit of the level of the interviewer can see, whether there is true knowledge or ju