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javascript - JS event bubbling problem

Case closed: Use CSS to achieve this effect. Thanks for your help, I switched to using CSS to realize this effect. 1. In the following code, I listened to the mouseover and mouseout events of the a tag to trigger the canvas animation, and prevented the event from bubbling in the callbacks of mouseov...

學習ing 2017-06-12 09:32:56 0  3  905

How to choose laravel version?

I have been using ThinkPHP to develop some of my own projects. Firstly, it is simple and easy to use, and secondly, it is convenient to find partners. I have also been paying attention to laravel, and I plan to switch to laravle recently. May I ask which version of laravel you are using in your prod...

給我你的懷抱 2017-05-16 16:53:39 0  1  785

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  982

javascript - How to implement variable height animation?

How to implement an animation that changes the height of a div with variable height? For example, a div is first displayed: none, and when a button is clicked, it is displayed, and the height gradually changes from 0 to the maximum height of the div. The answer from Google is to use max-heigth, but ...

我想大聲告訴你 2017-06-26 10:56:12 0  1  939

Creating a perforated container: a step-by-step guide

I'm making a tutorial on how to use my app for the first time. So it looks like a popup on how to use a button In a tutorial, I want the background to darken and a circle to appear that will go around the button and have a tutorial text So, I want to make one with a round hole Container Here is a si...

P粉426906369 2024-03-31 11:20:02 0  2  581

javascript - How to write animation effects in react?

How to create animation effects for components in react? For example, for a simple dialog box, I hope that after clicking Cancel, the dialog box will first fade and then disappear. If you use jquery, it is very simple, first animate({ //Fade CSS}, function(){ //Delete DOM}). But react, I don’t know ...

世界只因有你 2017-05-18 10:58:34 0  2  857

React component library + SASS modularity

I'm starting to develop a React component library and would like to reuse some SCSS code we share with other non-React projects. To achieve this, I'm trying to use a SASS module in a React component. Simple use case works fine but I'm creating a component library and I need multiple style combinatio...

P粉818306280 2024-03-26 21:31:03 0  2  561

angular.js - $ionicModal conflicts with boostrap

Use $ionicModal to pop up the model window project. After introducing boostrap3.3.4, the model window becomes a black modal layer with no animation and no content. The following is the code. You can try it. The code is very simple and does not have any special effects. However, it has no effect. … i...

黃舟 2017-05-15 16:53:04 0  1  714

javascript - How node requests other servers.

The project wants to use node as the middle layer. The first layer browser sends a request to node. The second layer node sends a request to PHP. I know a little bit about the node and express framework. How does node send a request to PHP to get the data and return it to the front desk? Is it simpl...

迷茫 2017-06-29 10:08:40 0  4  958

Problem: Vue's @mouse-down event is not triggered

I'm new to web development and I'm having trouble dealing with vue. From the tutorial I learned that you can use @click when the button is pressed. It works very well. Now I want to make a simple measurement that detects mouse presses and lifts in order to further develop double click and long press...

P粉121447292 2023-09-14 14:26:45 0  1  794

spring-boot - Should Java EE novices choose JFinal3.1 or Spring boot?

It is easy to install Spring boot according to the tutorial and write a small demo. Everyone said that Jfinal is very efficient, so I came down and tried it. I found that I had to register to download it. I compared the download with the official document. It seemed to be very simple to use. Then I ...

滿天的星座 2017-05-17 10:00:05 0  3  756

linux - Does this technology classification make sense?

Based on my own understanding of technology, I have divided these levels to motivate myself to learn. Do you think this is correct? Tool application technology level: lv1: Easy to use in production, can fix simple bugs according to the manual or Baidu. lv2: Have a good grasp of the overall situation...

淡淡煙草味 2017-05-27 17:44:30 0  3  1197

Find paragraphs in text.

I'm trying to implement an "Edit" button using JavaScript on a Django website. Although I am very new to JavaScript. Splitting text into paragraphs is very easy in Django, you just need to code {{text|linebreaks}} like this and Django will add the tags dynamically. To make the transition s...

P粉288069045 2023-07-28 13:08:03 0  1  690

Download image button from third party server

In any browser, if you see an image, you can right-click it and click "Save As" to download it. I'm trying to make a button that downloads an image. The download button should download the above image, barcode. I'm using react, not sure if this is relevant to the answer. I read that you ca...

P粉198670603 2024-02-21 14:47:20 0  1  524

node.js - nodejs how to store formdata data (file) as blob data of mongodb

The front-end uploads a file file through formdata. The back-end framework is koa, and the co-busboy middleware is used to parse the request. There is a simple example in the co-busboy document that can obtain a "file stream" FileStream through parsing, and then use the fs module of node W...

過去多啦不再A夢 2017-05-16 13:32:45 0  2  1021

Algorithm - How to implement QQ multi-person chat avatar in Java

As shown in the figure 1: Please note that pictures cannot be superimposed on each other 2: It is best to use a universal algorithm. It is best not to hard-code the x and y positions 3: It is best to be universal for N pictures. I tried drawing curves to intercept but failed. The amount of calculati...

高洛峰 2017-05-17 09:57:55 0  1  646

Rendering data in a table using jQuery in PHP

I have a data and I use PHP to access them. So I created a simple button and when I click it my program needs to create a table containing the data. Below you can see the jQuery code that reads the data and creates a table. But the problem is, I can't access every element in DATA. I want to clarify ...

P粉894008490 2023-09-04 09:54:29 0  1  651

Just paste in the key code and describe it

When asking questions, the appropriate use of some tips will allow the teacher to quickly get where your question is, which will help the question be answered faster~ Questioning skills title: concise, easy to understand, fully express the topic; avoid meaningless, Fuzzy, colloquial title; Question ...

phpcn_u25422 2017-09-08 01:12:15 0  1  2321

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  586

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1379