In jQuery: nth-child selector usage example _ jquery

This article mainly introduces the usage of nth-child selector in jQuery. The example analyzes the nth-child selector function, definition, and matching techniques of child or parity elements, it has some reference value. If you need it, you can refer to the following example to describe the usage of the nth-child selector in jQuery. Share it with you for your reference. The specific analysis is as follows:

This selector matches the nth child or parity element under its parent element.
The: eq (index) selector matches only one element, while the nth-child selector matches child elements for each parent element.
: Nth-child starts from 1, while: eq () starts from 0.
Syntax structure:

The Code is as follows:

$ (": Nth-child ")

This selector should also be used with other selectors, such as class selector and element selector. For example:

The Code is as follows:

$ ("Li: nth-child (2)" ).css ("color", "blue ")

The above Code sets the font color of the second li element under the parent element to blue. You can also calculate the parity child element of the parent element. For example:

The Code is as follows:

$ ("Li: nth-child (even)" ).css ("color", "blue ")

The code above can set the font color of the li element in the order of an even number under the parent element to blue.

Note:Here it is necessary to combine the above Code to describe the concept. The parent element mentioned here is not li, but the parent element of li.
Many people often mistakenly think that it is the last element in the child element that matches the li element.

Instance code:

The Code is as follows:

: Nth-child selector-script house