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DOM operations and practical cases

Master how to use the DOM methods natively provided by JavaScript to quickly obtain specified elements or collections of elements from the page, and process the attributes and content of the elements. And through a practical case of online intelligent customer service, we will deepen everyone's understanding of DOM operations and become familiar with the application scenarios of DOM operations!

Intermediate

dom

javascript

16934 person learning

14class hour

03 hours 09 minutes 46 secondsTotal course duration

2022-04-21update

PHPz

Gold lecturer

A total of 72 courses Student45553 Lecturer rating5.4

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Course Introduction Course Outline Data Download Other Courses

You will learn：

1. How to use native DOM methods to quickly query elements in the page; 2. If you use the native DOM method to add, delete, modify and check elements; 3. Familiar with the basic application scenarios of DOM operations!

DOM operations and practical cases

Chapter1 Course Introduction
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Section1 Introduction to basic knowledge of DOM operations
duration： 14 minutes 20 seconds
Chapter2 How to get elements using DOM methods?
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Section1 How to get element based on id attribute?
duration： 14 minutes 01 seconds

Section2 How to get an element based on its name attribute?
duration： 07 minutes 35 seconds

Section3 How to get element based on tag name?
duration： 12 minutes 14 seconds

Section4 Name attribute and tag name shortcut to get elements
duration： 18 minutes 49 seconds

Section5 How to get elements through class attribute?
duration： 08 minutes 00 seconds

Section6 How to get elements through css selector?
duration： 09 minutes 10 seconds
Chapter3 Tips for DOM manipulation elements
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Section1 How to traverse the document tree through DOM methods?
duration： 24 minutes 20 seconds

Section2 How to manipulate attributes of HTML elements?
duration： 19 minutes 22 seconds

Section3 How to deal with content in HTML elements?
duration： 08 minutes 33 seconds

Section4 DOM node creation/insertion/deletion/update operations
duration： 13 minutes 10 seconds
Chapter4 DOM practical case
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Section1 Practical warm-up: Principle of generating chat messages
duration： 06 minutes 10 seconds

Section2 Practical combat: Simulating intelligent online customer service system (1)
duration： 13 minutes 45 seconds

Section3 Practical combat: Simulating intelligent online customer service system (2)
duration： 20 minutes 17 seconds

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