JavaScript Basics презентация
Содержание
- 2. Why Use JavaScript? JavaScript enhances Web pages with dynamic and interactive
- 3. What Can JavaScript Do? Common JavaScript tasks can replace server-side scripting.
- 4. JavaScript Syntax. Unlike HTML, JavaScript is case sensitive. Dot Syntax
- 5. JavaScript Terminology. JavaScript programming uses specialized terminology. Understanding JavaScript terms
- 6. Objects Objects refers to windows, documents, images, tables, forms, buttons or
- 7. Properties Properties are object attributes. Object properties are defined by
- 8. Methods Methods are actions applied to particular objects. Methods are what
- 9. Events Events associate an object with an action. e.g., the
- 10. Functions Functions are named statements that performs tasks. e.g., function
- 11. Values Values are bits of information. Values types and some
- 12. Variables Variables contain values and use the equal sign to specify
- 13. Expressions Expressions are commands that assign values to variables.
- 14. Operators Operators are used to handle variables. Types of operators
- 15. Methods of Using JavaScript. 1. JavaScripts can reside in a
- 16. 1. Using Separate JavaScript Files. Linking can be advantageous if many
- 17. 2. Embedding JavaScript in HTML. When specifying a script only the
- 18. Using Comment Tags HTML comment tags should bracket any script.
- 19. 3. Using JavaScript in HTML Tags. Event handlers like onMouseover are
- 20. Creating an Alert Message The following script in the <body> tag
- 21. Return to jqjacobs.net/web -- JavaScript Basics Return to jqjacobs.net/web -- JavaScript
- 22. Скачать презентацию
![JavaScript Basics
What is JavaScript?
JavaScript is a programming language designed JavaScript Basics
What is JavaScript?
JavaScript is a programming language designed](/documents_3/4496e9546a6195c5c8b320ef86d16377/img0.jpg)
![Why Use JavaScript?
JavaScript enhances Web pages with dynamic and interactive Why Use JavaScript?
JavaScript enhances Web pages with dynamic and interactive](/documents_3/4496e9546a6195c5c8b320ef86d16377/img1.jpg)
![What Can JavaScript Do?
Common JavaScript tasks can replace server-side scripting.
What Can JavaScript Do?
Common JavaScript tasks can replace server-side scripting.](/documents_3/4496e9546a6195c5c8b320ef86d16377/img2.jpg)
![JavaScript Syntax.
Unlike HTML, JavaScript is case sensitive.
Dot Syntax JavaScript Syntax.
Unlike HTML, JavaScript is case sensitive.
Dot Syntax](/documents_3/4496e9546a6195c5c8b320ef86d16377/img3.jpg)
![JavaScript Terminology.
JavaScript programming uses specialized terminology.
Understanding JavaScript terms JavaScript Terminology.
JavaScript programming uses specialized terminology.
Understanding JavaScript terms](/documents_3/4496e9546a6195c5c8b320ef86d16377/img4.jpg)
![Objects
Objects refers to windows, documents, images, tables, forms, buttons or Objects
Objects refers to windows, documents, images, tables, forms, buttons or](/documents_3/4496e9546a6195c5c8b320ef86d16377/img5.jpg)
![Properties
Properties are object attributes.
Object properties are defined by Properties
Properties are object attributes.
Object properties are defined by](/documents_3/4496e9546a6195c5c8b320ef86d16377/img6.jpg)
![Methods
Methods are actions applied to particular objects. Methods are what Methods
Methods are actions applied to particular objects. Methods are what](/documents_3/4496e9546a6195c5c8b320ef86d16377/img7.jpg)
![Events
Events associate an object with an action.
e.g., the Events
Events associate an object with an action.
e.g., the](/documents_3/4496e9546a6195c5c8b320ef86d16377/img8.jpg)
![Functions
Functions are named statements that performs tasks.
e.g., function Functions
Functions are named statements that performs tasks.
e.g., function](/documents_3/4496e9546a6195c5c8b320ef86d16377/img9.jpg)
![Values
Values are bits of information.
Values types and some Values
Values are bits of information.
Values types and some](/documents_3/4496e9546a6195c5c8b320ef86d16377/img10.jpg)
![Variables
Variables contain values and use the equal sign to specify Variables
Variables contain values and use the equal sign to specify](/documents_3/4496e9546a6195c5c8b320ef86d16377/img11.jpg)
![Expressions
Expressions are commands that assign values to variables.
Expressions
Expressions are commands that assign values to variables.](/documents_3/4496e9546a6195c5c8b320ef86d16377/img12.jpg)
![Operators
Operators are used to handle variables.
Types of operators Operators
Operators are used to handle variables.
Types of operators](/documents_3/4496e9546a6195c5c8b320ef86d16377/img13.jpg)
![Methods of Using JavaScript.
1. JavaScripts can reside in a Methods of Using JavaScript.
1. JavaScripts can reside in a](/documents_3/4496e9546a6195c5c8b320ef86d16377/img14.jpg)
![1. Using Separate JavaScript Files.
Linking can be advantageous if many 1. Using Separate JavaScript Files.
Linking can be advantageous if many](/documents_3/4496e9546a6195c5c8b320ef86d16377/img15.jpg)
![2. Embedding JavaScript in HTML.
When specifying a script only the 2. Embedding JavaScript in HTML.
When specifying a script only the](/documents_3/4496e9546a6195c5c8b320ef86d16377/img16.jpg)
![Using Comment Tags
HTML comment tags should bracket any script.
Using Comment Tags
HTML comment tags should bracket any script.](/documents_3/4496e9546a6195c5c8b320ef86d16377/img17.jpg)
![3. Using JavaScript in HTML Tags.
Event handlers like onMouseover are 3. Using JavaScript in HTML Tags.
Event handlers like onMouseover are](/documents_3/4496e9546a6195c5c8b320ef86d16377/img18.jpg)
![Creating an Alert Message
The following script in the <body> tag Creating an Alert Message
The following script in the <body> tag](/documents_3/4496e9546a6195c5c8b320ef86d16377/img19.jpg)
![Return to jqjacobs.net/web -- JavaScript Basics
Return to jqjacobs.net/web -- JavaScript Return to jqjacobs.net/web -- JavaScript Basics
Return to jqjacobs.net/web -- JavaScript](/documents_3/4496e9546a6195c5c8b320ef86d16377/img20.jpg)
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