How to get elements through class attribute?-DOM operations and practical cases-php.cn

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DOM operations and practical cases

Chapter1 Course Introduction
1-1 Introduction to basic knowledge of DOM operations
Chapter2 How to get elements using DOM methods?
2-1 How to get element based on id attribute?
2-2 How to get an element based on its name attribute?
2-3 How to get element based on tag name?
2-4 Name attribute and tag name shortcut to get elements
2-5 How to get elements through class attribute?
2-6 How to get elements through css selector?
Chapter3 Tips for DOM manipulation elements
3-1 How to traverse the document tree through DOM methods?
3-2 How to manipulate attributes of HTML elements?
3-3 How to deal with content in HTML elements?
3-4 DOM node creation/insertion/deletion/update operations
Chapter4 DOM practical case
4-1 Practical warm-up: Principle of generating chat messages
4-2 Practical combat: Simulating intelligent online customer service system (1)
4-3 Practical combat: Simulating intelligent online customer service system (2)

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