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Descendant selectors vs. element selectors

Does defining em directly with element selector have the same function as descendant selector?

雨落破晓 2019-11-15 10:59:05

Select/extract nodes of html/text from HTML using CSS selectors

Let's say I'm writing a node script that uses fetch to retrieve html page content into variables. Now I have a CSS selector for something like this. How can I use this to extract html and/or text content recognized by CSS selectors. If there is an existing tool/package that I can leverage, please gi...

P粉356361722 2024-03-19 19:41:22

JavaScript: Enter the selector of the specified type (only three simple CSS selectors such as id, class, and tagName are supported)

1. Write a JavaScript function and input a selector of a specified type (it only needs to support three simple CSS selectors of id, class, and tagName, and does not need to be compatible with combined selectors). The problem is: the following regular matching cannot be understood, var reg = / ^(#)?(...

PHP中文网 2017-06-26 10:57:53

Decoding CSS selector priority/specificity

I'd like to understand how CSS selectors handle attribute conflicts. How to select one property over another? div{background-color:red;}div.my_class{background-color:black;}div#my_id{background-color:blue;}bodydiv{background-color:green;}body>div{background-color:orange;

P粉715274052 2023-10-19 22:58:19

CSS Color Variables - Rules or selectors are required when defining CSS colors

Hello, I'm having the following problem: "At-rule or selector is required when defining CSS colors." I'm using VS Code and I have the following problem: https://jigsaw.w3.org/css-validator/validator#css Checked the CSS and I don't know where the problem is! /*ColorVariables*/$red:red;$gree...

P粉021708275 2023-09-13 11:02:07

jq selector problem

Example below. Why does 234 not take effect in js? <!DOCTYPE html><html><head><meta charset="UTF-8"><title>1-Basic Selector</title><style type="text/css"> table, td {border:1px so

在路上 2018-04-10 18:02:48

Create single-page applications in Next.js/React and FullPage.js using CSS selectors

I'm using a library called FullPage.js (https://github.com/alvarotrigo/react-fullpage) in my Next.js project. They have an existing CSS class that I want to override for the side points. However, I only want to override the CSS for one page, and it's the following CSS selector. How do I do this? Tha...

P粉476547076 2024-01-16 14:18:40

adjacent selector

Excuse me, the adjacent selector example can only be enabled downward? When ul+ol{}, ol is valid, why is ol+ul{}, ul not valid? Thanks

Sean 2018-11-30 14:42:27

Is there a "previous sibling" selector?

The plus selector (+) is used to select the next adjacent sibling element. Is there an equivalent selector for selecting the previous sibling element?

P粉615829742 2023-08-15 14:55:25

What is the meaning of spaces in CSS selectors and the difference between .classA.classB and .classA .classB?

What is the difference between these two selectors? .classA.classB{border:1pxsolid;}.classA.classB{border:1pxsolid;}

P粉401901266 2023-08-24 14:03:57

Does the "previous sibling element selector" exist?

The plus selector (+) is used to select the next adjacent sibling element. Is there an equivalent selector for selecting the previous sibling element?

P粉054616867 2023-08-20 13:45:33

Learn more about CSS selector priority and specificity

I'd like to understand how CSS selectors work in property conflicts. How is one attribute selected over another? div{background-color:red;}div.my_class{background-color:black;}div#my_id{background-color:blue;}bodydiv{background-color:green;}body>div{background-colo

P粉036800074 2023-08-22 22:06:31

CSS selector (if the element has no specific parent)

If an element doesn't have a certain parent, I want to change the style of that element without having to overwrite it to its original value. See https://jsfiddle.net/xqb2z8tc/ The problem with the above code is that since the mixin is used more, it generates a lot of css, so we want to rewrite it. ...

P粉092778585 2024-01-16 20:48:10

How many CSS selectors can be included?

I've tried looking for an answer to this problem, but to no avail: I'm using css selectors to target all class names starting with col-1, col-2, col-3, col-[class*="col-"] . But I have conflicts with some other 3rd party integration class names: col-md-11, col-lg-2, col-sm-3... Thanks a lo...

P粉002572690 2023-08-16 11:30:40

Select options in drop-down menu using CSS and Javascript

I have a CSS selector value: .ng-touched>div:nth-child(1)>div:nth-child(1)>div:nth-child(2)>input:nth-child(1 ) I'm trying to use document.querySelectorAll to find this CSS selector that has a dropdown menu and select the option with the text "APPLE". It is the ...

P粉739706089 2023-09-04 22:10:59

Manipulate elements in the same page using jQuery selectors

I tried to add two selectors using JQuery but the content is not showing up, if I add only one selector then it works fine so can you please help me to solve this problem, below is the code the idea of this script is to display the fuel price (Fuel and Diesel), there are 3 types of fuel and 1 type...

P粉909476457 2023-09-09 22:25:47

Is there a "previous sibling" selector?

The plus selector (+) is used to select the next adjacent sibling. Is there an equivalent for last sibling?

P粉111627787 2023-08-23 14:02:00

How to use RTK queries with selectors

I'm building a project using ReduxToolkit and RTK queries and trying to get some entries from the API. I'm using the normalize data method of createEntityAdapter because in a certain component I need the data as an array, so I ended up using a selector. Now my problem is that since I added the filte...

P粉729198207 2023-12-28 11:46:38

javascript - City selector in those websites

Many websites have city selectors. How are these components maintained? Is there any city database available? Now I need to use the city selector in my website, and I use element UI. This UI does not seem to be integrated. I would like to ask where to get the city data? Or is there any...

给我你的怀抱 2017-05-19 10:34:02

Calss is called and the color is set, but the website does not display. Sir, what's going on?

<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>Common selectors in css</title> <style type="text/css"> /*Element selector*/ /**{color: red;}*/ p{text-al

yz666 2019-07-05 22:22:53