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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

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Document directory HTML tags and JavaScript tutorial HTML tags and JavaScript tutorial Parent-child relationship and Inverse Take the parent-child relationship as an example:Corresponding generated DDL drop table parent; Java code: Drop Table

Structural pseudo-Class selector-nth-last-child (n)": Nth-last-child (N)" selector and the previous ": Nth-child (N)" selector is very similar, but here is a "last", the role of the ": Nth-child (n)" selector differs, Select a specific element by

: First-child looks for the first child element of the parent element, sorted in all child elements; : Last-child looks for the last child element of the parent element, sorted in all child elements; : Nth-child the child elements of the

: Nth-child (Index/even/odd/equation) Matches the nth child or parity element under its parent element ': EQ (index) ' matches only one element, and this will match the child elements for each parent element. : Nth-child

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

1. New JQ project in VS:Select the second when creating a new Web Form:　　Delete the extra folders generated by the system, leaving only scripts and Web. config:　　Rename the Scripts folder to our familiar JS (also can not change, only recommend

In Web applications, especially in the development of Web2.0 programs, it is common to get an element in the page, and then update the style, content, etc. of the element. How to get the elements to be updated is the first issue to be addressed.

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