Session three *JavaScript*
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This document provides an overview of JavaScript including: 1. A brief history of JavaScript and introduction to types in JavaScript. 2. An explanation of JavaScript syntax including variables, comments, data types, operators, and functions. 3. Descriptions of JavaScript conditional statements like if statements and switch statements as well as loops like for loops and while loops. 4. Examples of JavaScript code and a note that any questions can be directed to the presenters' contact information provided.
![Data type
var x = 20 ;Number
boolean var x = True ;
String var x = “name” ;
var x = False ;
array var family = [ father , mother , sister ] ;
Object var info= { firstname:” Reko“, age: 32 } ;](https://image.slidesharecdn.com/session3js-170605024423/85/Session-three-JavaScript-20-320.jpg)
Session three *JavaScript*
- 2. W Prepared and presented by : Muhammad Hesham & Mustafa Saeed Aspiration Webbers Session 3 (Java Script) A
- 3. 1.Reko meet JS (Brief history) 2.JS types 3.JS syntax 4.JS condetions
- 4. Java Script
- 9. Java Script
- 10. Types of typing JS Code Internal
- 11. Types of typing JS Code External
- 12. <!DOCTYPE html> <html> <head> <meta charset="UTF-8”> <title>java Script Demo</title> < script ></script> </head> src=“scripts.js" External
- 13. <script> </script> function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; } Internal Head<!DOCTYPE html> <html> <head> <meta charset="UTF-8”> <title>java Script Demo</title> < script src=“scripts.js"></script> </head>
- 14. <body> <script> </script> </body> function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; } <!DOCTYPE html> <html> <head> <meta charset="UTF-8”> <title>java Script Demo</title> < script src=“scripts.js"></script> </head> Internal Body
- 16. Strength of External <script src="test.js"></script>
- 17. External JSInternal JS <body> <script> function changeParagrapgh() { document.getElementById("firstpar").innerHTML = "JavaScript Paragraph."; } </script> </body>
- 18. Best Place
- 19. Syntax var x = 20 ; var y == 30; var z === 10 ; var var ; ; , , // Comment Variables Comments /* Comments comment */ var name= “Reko” ; var reko= ‘name’ ; var x = 20 y = 30 z = 10 ;
- 20. Data type var x = 20 ;Number boolean var x = True ; String var x = “name” ; var x = False ; array var family = [ father , mother , sister ] ; Object var info= { firstname:” Reko“, age: 32 } ;
- 21. variables
- 22. Operators Addition+ Subtraction- Multiplication* Division/ Modulus% Increment Decrement ++ -- var x = 20 10% ; var x = 20 10- ; var x = 20 10* ; var x = 20 10/ ; var x = 20 10+ ; x++; x--;var x = var x = 20-- ; 20 ;
- 23. Function
- 24. if
- 25. Switch
- 26. For … Loop
- 27. While ..Loop
- 28. Break
- 29. Demo
- 30. Demo
- 31. Any Questions