class first child

This article mainly introduces how to learn the communication between parent and child processes from the child_process module of Node. js, which has some reference value. If you are interested, you can refer to it. This article mainly introduces #

CSS structure pseudo Class E: first-child/last-child/only-child/empty, E: first-child explanation: the first child element of E's parent element is exactly E. Define the style for E. E: last-child explanation: the last sub-element of the parent

First, what is jquery?jquery is a very good JS framework. Is the use of JS in the more commonly used methods to encapsulate the underlying. The slogan is "Write Less,do more".Second, how to use jquery? (The whole idea of using jquery)1. After the

In jQuery: example of first-child selector usageThis selector can match the first child element of the parent element.Syntax structure:$ (": First-child ")This selector should also be used with other selectors, such as class selector and element

One, deep breathing, direct content: Nth-child and: Nth-of-type are CSS3 in the pseudo-class selector, its role is similar but not exactly the same, for unfamiliar people may not be very different, this article will introduce the difference between

Css: first-child pseudo class selector usage introduction, first-child Selector Css: first-child pseudo class selector usage:This selector can match the first element in the element set.: The first-child pseudo-class selector must be used with

Learn more about parent class references pointing to child classes, and learn more about references pointing The parent class application points to a subclass object and refers: The parent class Animal, subclass Cat, Dog. Here, Animal can be an

Original: The pits that have been trodden on for years: First-child Pseudo class Selector: The First-child selector is used to select the specified selector that belongs to the first child element of its parent element. --w3schoolWell, at first

CSS3 provides a powerful pseudo-class selector, allowing developers to select elements that meet specific conditions in an object for rendering. These pseudo classes will be very confusing when you are new to them, but after you have mastered them,

The emergence of CSS3 has undoubtedly brought great advantages to the front-end developers, today we highlight a new emergence of the powerful pseudo-class selector CSS3: Nth:child (); For the sake of understanding, I will show you the project page