javascript - Ask about the implementation of page parallax effect

Page effect: Jingzhe’s imitation of this effect: I first learned about a library called skrollr.js on Zhihu, and learned and applied it to my own page, because my page is not static nodes, articles and pictures like the ones above. All are obtained by request, and the step-by-step request depends on...

PHP中文网 2017-05-16 13:26:03 0  1  1027

javascript - why two elements are needed to create a scrolling effect with transform

I read other people's articles why it is necessary to use two layers of elements to perform two animations to achieve the parabolic effect of a small ball, instead of just writing one element <div class="ball"></div>? Then use transform to do it Modification of ...

滿天的星座 2017-05-19 10:18:02 0  2  840

Can anyone please help me write down how to use alert() to print out the effect of 0 1 2 3?

function sss(){ var s=0, for (var i=0;i<3;i++) { s++ } alert(s); } Can anyone please help me write down how to use alert() to print out the effect of 0 1 2 3?

奇遇 2018-12-21 11:16:17 0  1  1150

javascript - echarts histogram gradient color problem

The echarts histogram can achieve a gradient color effect, but can it achieve the following gradient color effect? ​​Please give me an answer? i.e. diagonal gradient color

三叔 2017-06-12 09:30:45 0  1  950

javascript - js construction object problem

{Code...} new Person() new Person These two ways of writing have the same effect. Why does it have the same effect as the previous one without parentheses?

習慣沉默 2017-05-19 10:31:03 0  2  554

javascript - Why does my router-link in vue not work?

{code...} {code...} This is the content of App.vue. In fact, the page display has been mounted as a tag, but clicking has no effect, and there is no effect of clicking to change the component {code. ..} This is the code for one of the routers. The other two are basically the same. How can I get the ...

漂亮男人 2017-05-16 13:38:06 0  2  715

database

Connect to the database without specifying a data table? I have three tables in it. How does it know which one to use? Is it because of this reason that the effect cannot come out?

铁力瓦尔良 2021-05-18 15:01:43 0  1  1110

Apache server enables HTTPS access

Apache is currently installed on a Centos, and three virtual machines are created, one of which is configured with an SSL service. The effect I want is to disable HTTP access and only allow HTTPS access. How to configure and implement this? Current situation: Both HTTP and HTTPS are accessible.

PHP中文网 2017-05-16 17:01:15 0  2  677

Styling issue with REACT component - Stack Overflow

For the three-button component shown in the picture, how can we simply use native JS and REACT to write a simple way to change the style of one of the buttons by clicking one of them? And when you click other buttons, you can have the same effect (that is, clear the styles of the other two and add t...

巴扎黑 2017-07-05 10:50:54 0  3  885

css - How to use flex to implement a three-column layout, but the height of the child elements must be adaptive?

I want to use flex to implement the three-column layout in the picture. I currently encounter the following problem: when the parent element sets display: flex, the height of the three columns is the same, and I want the height of the three columns to be adaptive. I try to set Neither flex-direction...

滿天的星座 2017-05-16 13:45:22 0  1  1637

javascript - Two jq plug-in conflicts introduced in the project

Two jq plug-in conflicts were introduced in the project. The effect of one of the plug-ins is not displayed, but it will be fine if quoted alone. I checked the noConflict method on the Internet, but I don’t know if it has no effect. I don’t know if I didn’t write it correctly. Please tell me how to ...

曾经蜡笔没有小新 2017-06-26 10:52:37 0  1  723

javascript - Non-sequential execution of JS code statements. Single-step operation is normal, but problems arise directly.

I want to realize that the pop-up box automatically hides after 3 seconds, I set the following code: {code...} There is no problem with single-step debugging, it will be executed sequentially, I mean the break point, the effect is the same as I imagined, but without interruption If you click Run dir...

滿天的星座 2017-06-26 10:50:14 0  4  689

ios - How to push notification messages to the notification bar in a mini program

I want to achieve the effect of message notifications like when chatting on WeChat. Is Aurora Push possible? However, the Mini Program SDK of Aurora Push cannot be found.

PHP中文网 2017-05-17 10:04:58 0  1  818

CSS scope custom properties are not recognized when used to evaluate variables in the parent scope

I'm trying to scale the size via a var custom property so that classes can be composed without coupling. The desired effect is that the 3 lists will have 3 different scales, but as shown on CodePen, all 3 lists have the same scale. I'm looking for an explanation of scoping and CSS custom property te...

P粉006847750 2023-11-01 21:53:10 0  1  682

Custom drop-down arrow

Is it possible to change the select tag's dropdown arrow to a custom arrow consisting of 4 elements. I want it to look like this: 3 horizontal lines on the left and a downward arrow on the right I successfully achieved this effect with one element (a horizontal line).select-wrapper::before{content:&...

P粉986937457 2023-08-17 17:52:04 0  1  521

java - swap function

In the following code, the effect of exchanging two objects is not achieved. The output result is 3:4. Logically speaking, aren't all references in Java? It should be possible to exchange objects directly! Please explain my error and give a solution. I want the output to be 4:3class Int{ {code...} }...

某草草 2017-05-17 10:05:49 0  1  726

I want to develop a management system. I don't want to start from the bottom. I want to find a framework that can quickly build the front and backend. Is there anything better?

I often write notes recently to summarize and record knowledge points, so I found a more convenient document system. The editing function is very easy to use and you can preview the effect at any time through online editing. After editing, the previewed results are relatively close to those in Cloud...

冰 2019-10-16 15:58:52 0  0  1023

Is there any plug-in that supports vim to mask other non-search word areas in real time when searching?

Someone used to demonstrate the effect mentioned in the question on YouTube, but I can’t find it now. Just like the picture below, with as the keyword

迷茫 2017-05-16 16:38:36 0  3  730

vim - iterm2 configuration problem

Why do I always fail to achieve the effect according to other people's online settings? What is displayed here is always a single tone: Is there something wrong with me? Please enlighten me

滿天的星座 2017-05-16 16:36:03 0  3  685

objective-c - ios sliding problem about tableview or scrollView

If the title is like this, the effect I want to achieve is during the process of sliding down. For example, the picture below is made with tableview. Now when you slide it here, it will not move. The effect I want to achieve is that the blue color does not reach half of the screen (approximately Tha...

PHP中文网 2017-06-20 10:06:07 0  1  871