Code flow: Difference between revisions

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== Hello World ==
== Hello World ==


http://rosettacode.org/wiki/Category:Draft_Programming_Tasks
http://rosettacode.org/wiki/Hello_world/Newbie


== Expression / Evaluation ==
== Expression / Evaluation ==

Revision as of 15:05, 25 September 2012

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A Computer Glossary

EamesComputerGlossary.gif

Husband & wife design superstars Charles & Ray Eames produced this animation explaining the "mood" and jargon of computation for the IBM pavilion at the 1968 Worlds Fair in San Antonio Texas.

Hello World

http://rosettacode.org/wiki/Hello_world/Newbie

Expression / Evaluation

Some expressions for the console...

5
3
"Tristram"
'SHAndy'

Operations

5 * 3
100 - 1
3 * 8
"Tristram" + "Shandy"

Operations: Functions

Math.sqrt (25)
Math.sqrt (26)

Objects

"Tristram".toUpperCase

?!

"Tristram".toUpperCase()

Assignment

Assignment is the process of storing an expression in a "name", called a variable.

x = 5 * 3
name = "Tristram"

Assignment ++

x = x + 1
x += 1
x++
name = name + " Shandy"

DOM

c=document.getElementById("c")

Reaching into the document and grabbing hold of the page.

Canvas

See Canvas

The canvas tag was introduced by Apple and has been standardized to become part of HTML5.

Using a function to control when things happen in the page

Loop

Handouts

Assignment, GeneralImperative + ProgramHighLow

Debug / Trace