JS ending wrong question set

1, Choose 1. Which object is unique to DOM A. History B. Screen C. Document D. Location 2. Which attribute change on location will not refresh the page A. href B. search C. host D. hash 3. Which of the following methods does not traverse the array A. Reduce B. Map C. Sort D. Pop 4. Which of the following information does the useragent at ...

Posted on Fri, 26 Nov 2021 03:31:24 -0500 by ziah75

2021 Aizhi Pioneer - the core of energy control for automated houses

preface When winter comes, I wake up in the morning and don't bother to get out of bed, but for everyone's sake, I still resist the cold and risk my life to prepare this issue of articles for you. I wonder if this is worth your praise o(´ ^ ') O. of course, after so long, I know you won't praise it if you don't see the goods. I'd better ...

Posted on Fri, 26 Nov 2021 02:08:07 -0500 by mjlogan

"The back-end partners are coming to the pre-school side." Vue middle school can use Echarts to generate various charts. We have to learn the basic operations that must be learned

It's still the cover given by XuemeiDirectly enter the topic... What is used in vue is almost a process.Introduction of Echartsinstallnpm install echarts --saveLet's write an Echarts component and introduce it insideimport * as echarts from 'echarts'Getting startedIf you haven't contacted Vue or Echarts' partners before, the way to understand ...

Posted on Fri, 26 Nov 2021 00:12:40 -0500 by php-phan

Wechat question answering applet v1.0 developed and built with cloud

Recently, I was bored, so I took the time to do a series of tutorials for the answer applet and share the source code. It is a wechat answer applet v1.0 developed and built with the cloud.Screenshot of interfaceThe answer applet is roughly as follows:structural level The main program consists of three interfaces, namely index, test and result. ...

Posted on Thu, 25 Nov 2021 21:39:22 -0500 by stephenk

Front end development: WebP adaptively improves development performance

WebP introductionWebP It is a picture format launched by Google that provides both lossy and lossless compression methods. Its advantages are reflected in its excellent image compression algorithm, which can bring smaller picture volume and higher image quality. According to official instructions, WebP can reduce the volume by 26% compared with ...

Posted on Thu, 25 Nov 2021 15:25:53 -0500 by nubby

jQuery effects, event principles, plug-ins

1. jQuery Event 1.1 What is an event 1. Page responses to different visitors are called events. 2. Example: Move the mouse over an element, select a radio button, click on an element 1.2 Event Syntax 1. Click Events $("p").click(function(){ //Code executed after action trigger!! }); 2. Double-click Events   ...

Posted on Thu, 25 Nov 2021 13:41:34 -0500 by g.grillo

[JS elevation] string pattern matching method

1. RegExp object JS, like other languages, has regular expression support, that is, RegExp objects. This object mainly provides two object methods: exec() test() Usage examples are as follows: let str = "cat bat"; let exp = /.at/g; exp.exec(str); // ['cat', index: 0, input: 'cat bat', groups: undefined] exp.exec(str); // ['bat', index: 4, in ...

Posted on Wed, 24 Nov 2021 23:41:53 -0500 by markusn00b

Netease Interviewer: would you please implement JS overload? It's not a TS overload!

prefaceHello, I'm Lin Sanxin. In the most easy to understand words, the most difficult knowledge point is my motto. The foundation is advanced, and the premise is my original heart. Today I'll tell you a question. It's a Netease interview questionA classmate: "how to implement JS overload?"Me: "is JS overloaded? Isn't it TS?&quot ...

Posted on Wed, 24 Nov 2021 21:32:06 -0500 by michaelowen

[Vue3.0 actual combat step-by-step series] Vue router is introduced. With the help of routing, click the submit button to jump to the questionnaire result page

[thousands of words long text, stay up late to update, original is not easy, a lot of support, thank you] preface Hello, guys, hello. In the previous article, we have implemented the submission function of the questionnaire. After completing the questionnaire and clicking submit, the questionnaire results will be displayed in the console. ...

Posted on Wed, 24 Nov 2021 20:19:24 -0500 by subcool

Basic process of wechat applet development

1, Introduction to wechat applet 1. Wechat applet is called applet for short. The applet released by Zhang Xiaolong on wechat open class Pro was officially launched on January 9, 2017. 2. The word wechat applet can be divided into "wechat" and "applet" (1) Among them, "wechat" can be understood as "in wecha ...

Posted on Wed, 24 Nov 2021 17:48:37 -0500 by thirdeye