Home > Article > Web Front-end > Detailed explanation of using jQuery content filter method
This time I will bring you a detailed explanation of the method of using jQuery content filter, and what are the precautions when using jQuery content filter. Here is a practical case, let's take a look.
1 Introduction
The content filter filters through the text content contained in DOM elements and whether they contain matching elements. There are 4 types of content filters: :contains(text), :empty, :has(selector) and :parent, as follows shown in the table.
| Filter | Description | Example |
| contains(text) | Match elements that contain the given text | $("li:contains('DOM')") //Match li elements that contain "DOM" text content |
| :empty | Matches all empty elements that do not contain child elements or text | $("td:empty") //Match units that do not contain child elements or text Grid |
| :has(selector) | Matches elements containing elements matched by the selector | $("td:has(p)") //Match cells containing tags in the cells of the table |
| :parent | Match elements containing child elements or text | $("td: parent") //Match cells that are not empty, that is, the cell also includes sub-elements or text |
Second Application
Apply the content filter to match cells that are empty, cells that are not empty, and cells that contain the specified text
Three codes
| 编号 | 祝福对象 | 祝福者 | 字条内容 | 发送时间 |
| 1 | 琦琦 | 妈妈 | 愿你健康快乐的成长！ | 2011-07-05 13:06:06 |
| 1 | wgh | 爸爸 | 愿你健康快乐的成长！ | 2011-07-05 13:06:06 |
| 1 | 花花 | wgh | 愿你健康快乐的成长！ | 2011-07-05 13:06:06 |
| 1 | 科科 | wgh | 2011-07-05 13:06:06 |
Four running results
I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
Recommended reading:
What are the ways for vue-cli to shorten the first screen loading time
Using the jQuery compound selector method Detailed explanation
The above is the detailed content of Detailed explanation of using jQuery content filter method. For more information, please follow other related articles on the PHP Chinese website!