Dugu Jiujian (3)_JavaScript video tutorial-Free online video tutorial-php.cn

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Dugu Jiujian (3)_JavaScript video tutorial

JavaScript is a scripting language that runs on the browser. It has been rated as the most popular programming language in the world for many years. It is the most lethal among the three essential tools for front-end development. If front-end development is the Eighteen Palms for Subduing the Dragon, then JavaScript is the 18th Palm: A strong dragon has regrets. Without it, your front-end career is incomplete. "php.cn Dugu Jiujian (3) - JavaScript Video Tutorial" course features: PHP Chinese website original humorous jokes series courses, PHP video tutorials with the theme of spoofs and jokes! The relaxed teaching style and short teaching mode allow students to learn JavaScript knowledge without knowing it.

Elementary

javascript

328005 person learning

28 class hour

02 hours 28 minutes 26 seconds Total course duration

2023-07-04update

天蓬老师

Gold lecturer

A total of 13 coursesStudent12401 Lecturer rating5.5

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Course Introduction Course Outline Other Courses

You will learn：

After studying "php.cn Dugu Jiujian (3) - JavaScript video tutorial" you can learn: What is JavaScript? What can be done? What can't be done? What are the commonly used data types and operations? Common methods of strings, the relationship between objects and arrays, DOM operations, functions and events, introduction to closure knowledge, etc.

Dugu Jiujian (3)_JavaScript video tutorial

Chapter1 Quick introduction to basic JavaScript syntax
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Section1 First experience with JavaScript: What can js do? What can't be done?
duration： 03 minutes 35 seconds

Section2 JavaScript statements and comments: Where are statements written? How many types of comments are there?
duration： 04 minutes 38 seconds

Section3 Identifier/literal/variable naming convention: Give your buddy a nice name
duration： 03 minutes 33 seconds

Section4 Data types in JavaScript: Operations can only be performed if the type is determined
duration： 08 minutes 35 seconds

Section5 How to convert other types to data type: a very practical function
duration： 03 minutes 35 seconds

Section6 JavaScript operators: Give you a handy weapon
duration： 04 minutes 14 seconds
Chapter2 Common methods for JavaScript strings and arrays
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Section1 Character methods in JavaScript: you’ve been using them before you know it
duration： 05 minutes 09 seconds

Section2 Array methods in JavaScript: suffocatingly powerful
duration： 04 minutes 46 seconds
Chapter3 Functions and objects in JavaScript
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Section1 JavaScript functions and function expressions: repeatable code
duration： 03 minutes 26 seconds

Section2 Variable scope: The first level of the official university can crush people to death
duration： 02 minutes 58 seconds

Section3 A little secret about JavaScript objects: I just took a peek and said nothing
duration： 02 minutes 54 seconds

Section4 Creation and viewing of objects: the three most common methods of panoramic presentation
duration： 08 minutes 43 seconds
Chapter4 JavaScript execution flow control
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Section1 Conditional judgment: there is always some code that exists but does not need to be executed
duration： 08 minutes 35 seconds

Section2 switch structure: a powerful tool for multi-branch judgment
duration： 04 minutes 10 seconds

Section3 while and do~while loops: repeated execution is the computer’s strength
duration： 04 minutes 16 seconds

Section4 for loop: be a simple and elegant handsome man
duration： 03 minutes 20 seconds

Section5 for-in loop: a tool for traversing objects and arrays
duration： 06 minutes 27 seconds
Chapter5 DOM manipulation in JavaScript
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Section1 DOM tree: an important basis for important elements in js operations
duration： 01 minutes 40 seconds

Section2 onload and onclick events: warm up first
duration： 03 minutes 47 seconds

Section3 You have to find me first: Four common ways to select page elements
duration： 08 minutes 56 seconds

Section4 Common attributes of nodes: type, name and value
duration： 05 minutes 32 seconds

Section5 The relationship between nodes: father, son, brother, elder and younger are in order
duration： 07 minutes 35 seconds

Section6 Add, delete, modify and check attribute nodes: the most effective way to control elements
duration： 06 minutes 42 seconds

Section7 Child node type judgment and operation: not all nodes are what I love
duration： 06 minutes 26 seconds

Section8 Add, delete, modify and query element nodes: treat DOM as a database to operate
duration： 04 minutes 29 seconds
Chapter6 Events in JavaScript
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Section1 A quick introduction to events: Understand its past and present life in 2 minutes
duration： 03 minutes 07 seconds

Section2 Three ways to bind events to objects: Events exist as properties and methods of the object
duration： 09 minutes 28 seconds

Section3 Event bubbling and interception: bottom-up automatic triggering of parent similar events
duration： 07 minutes 50 seconds

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