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How to get the url address of the background image with jquery?

How to get the url address of the background image in jquery?

僅有的幸福 2017-05-19 10:41:23

javascript - How to get the custom data attribute value of option using jquery

How to get the custom data attribute value of option using jquery

我想大聲告訴你 2017-05-18 10:54:28

Imitation of iQiyi's packaging database error

It is exactly the same as the one in the video, but no data is output. It shows this stuff: D:\wamp64\www\video\thinkphp\library\think\Debug.php:193:boolean false

phpcn_u211985 2018-07-16 12:36:23

javascript - How to know the version of jQuery tutorial on w3cschool?

This is the jQuery tutorial I saw on w3c. How do I know which version of jQuery is included in the tutorial? I want to learn the latest version, but I don’t know if the above version is the latest one

淡淡煙草味 2017-06-12 09:30:59

Get the bounding box of a div element: jQuery implementation method

I want to calculate the bounding box of a div element via jQuery/JavaScript. I tried the following code: // The left side of the box document.getElementById("myElement").offsetLeft; // The top side of the box document.getElementById("myElement").offsetTop; // The right side of th...

P粉207483087 2023-08-22 11:18:36

javascript - jquery real event, when the page scrolls to the top of each DIV, execute an event

jquery real event, when the page scrolls to the top of each DIV, execute an event

我想大聲告訴你 2017-05-18 10:50:45

How to change the background color of a div using jQuery? [closed]

I want to change the background color of a div at runtime using jquery. The div is showing but its background color is not changing. I don't know what's wrong with the code I wrote. <html><head><scriptsrc="https://code.jquery.com/jquery-3.1.1.min.js"></script></h...

P粉585541766 2023-09-16 21:25:27

Preview of the teaching course on September 19, 2018: Common Ajax operations and practical combat in jQuery

1. Teaching Topic: Common Ajax Operations and Practical Practices in jQuery AJAX stands for "Asynchronous Javascript And XML" and refers to a web development technology for creating interactive web applications. AJAX = Asynchronous JavaScript and XML (a subset of Standard Universal Markup ...

藏色散人 2018-09-19 10:51:42

javascript - jquery uses the for method to obtain the page attribute value of a repeated name and cannot get help.

The situation is as follows: I have a form that needs to dynamically add input items, and the name of each input item is the same. Since non-null verification is required, consider using jquery to obtain the value of each element and judge it. The code is as follows: $("#reg").click(functi...

PHPz 2017-05-19 10:17:03

mvc - How to deal with the relationship between Model View and other elements in non-Web graphics applications?

Today I complained and posted a Weibo: http://weibo.com/1651843872/B09Wxlokv?mod=weibotime Looking back now, jQuery as an interface may even be harmful to large applications. The concept of MVC is very big The level must abstract a clear Model, and the View is based on the Model...

習慣沉默 2017-05-16 17:06:34

javascript - As a beginner in programming, should I use an editor to copy the source code of jQuery or thinkphp?

Beginners in programming, do you want to use an editor to copy the source code of the jQuery library or thinkphp framework? To improve your programming abilities and ideas? I remember seeing a person on Zhihu who did the same thing. Now look for that answer. Not here. Can the experts tell me how eff...

高洛峰 2017-06-05 11:07:36

php - mysql big data counts the total number by time. Is it necessary to use count?

1. I want to count the number of new customers today, the number of new customers yesterday, and the number of follow-up records today. The amount of data is very large. The method used before was to add 1 minus 1, but errors often occur. How to solve this? Statistics question? Do I have to use coun...

世界只因有你 2017-05-16 13:11:10

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中文網(wǎng) 2017-05-16 13:26:03

javascript - Questions about typeof of js

The return result of typeof I saw today is actually an integer. Also, why is the result of results in the picture 1?

學習ing 2017-06-15 09:23:38

javascript - export method reports an error of undefined after exporting

Because jquery was not integrated at the beginning of the project, many methods were written natively. Today I went online to find a few methods for manipulating class names, as follows: {Code...} But when I use them, I always get an error, as follows: {Code...} I debugged with breakpoints, but it s...

高洛峰 2017-06-26 10:57:31

Live preview! PHP Chinese website has 5 consecutive days of public welfare live broadcasts and VIP special course live broadcasts! Starting on 2018.10.29!

Live preview! Free and VIP live broadcasts of "Web Front-End Layout Knowledge and Cases" and "Handwritten (Imitation) Tencent Video Homepage" courses for 5 consecutive days! Morning public welfare session: 10:00 ~ 12:00 Public welfare course theme: Web front-end layout knowledge ...

藏色散人 2018-10-27 16:53:06

Could you please help me check if there is anything that needs to be changed in this nginx.service file?

After compiling and installing nginx on centos7.2, you need to write an nginx.service file so that you can use systemctl enable nginx.service. Here is an example of mysqld http://superuser.com/a/384670/577295. I wrote one in imitation , but some parameters are not sure whether they are correct or no...

我想大聲告訴你 2017-05-16 17:17:57

How to get the time of last week's Monday and Sunday using LocalDate in JAVA

As in the title, for example, today is 2017.6.21. How do I get the Monday of last week? 2017-06-12

扔個三星炸死你 2017-06-23 09:13:25

javascript - How to implement the drag-and-drop function of jquery ui to stop drag-and-drop when certain conditions are met

As shown in the picture, I can drag the small dot in the lower right corner to zoom the image. Since the zoom function of jquery ui cannot be satisfied, I wrote this myself. Now I need to drag the small dot in the lower right corner to the position in Figure 2. , you can no longer continue dragging ...

某草草 2017-05-19 10:42:24

php - Which event model does the event_* function in libevent use?

Know that libevent supports select/poll/epoll time model. Today I suddenly thought about what kind of event model is used by the event_* series of functions that encapsulate the underlying operations of libevent?

世界只因有你 2017-05-16 13:06:51