JavaScript Workshop
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Put on by USC's Upsilon Pi Epsilon as part of Wonderful World of Web2.0 Workshop Series. http://pollux.usc.edu/~upe/
![JavaScript : a brief history ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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JavaScript Workshop
- 1. Sponsored by Upsilon Pi Epsilon The Computer Science Honors Society Javascript
- 4. JavaScript : the basics <html> <head> <title>… the title of the document… </title> <script type="text/Javascript"> … JavaScript code… </script> </head> <body> … HTML Code/Tags/Content whatever… </body> </html>
- 6. JavaScript : Hello World <html> <head> <title>JavaScript-Hello-World</title> <script type="text/Javascript"> function greetings(sender) { alert (“Hello World!”); } </script> </head> <body onLoad="greetings();“ > <h1>Javascript Hello World!</h1> </body> </html>
- 14. JavaScript : Objects var obj= new Object(); var Obj { }; Create obj.name= “John”; obj[“name”]= “John”; Add Properties Object Literal Syntax var email { message: “Hi Pamela!”, details: { to: “Pamela”, from: “Ross” } }
- 17. JavaScript : Functions function add(x, y) { var total = x + y; return total; } > add() NaN > add(2, 3) 5
- 18. JavaScript : Functions function avg() { var sum = 0; for (var i=0, j=arguments.length; i<j; i++) { sum += arguments[i]; } return sum/arguments.length; } > avg(2, 3, 4, 5) 3.5 > avg.apply(null, [2, 3, 4, 5]) 3.5