An intro to Games and Visualizations
Pamela introduces objects, a way to store a bag of properties in a single variable.
Jessica Liu explains how to use variables to hold on to a value to use later. Variables are an important part of programming, so pay close attention!
Sophia shows how to repeat code in your program, using while loops.
An overview of JOINing related tables
An overview of joining related tables with left outer joins
An overview of joining tables to themselves with self-joins
Primer on the differences of language and religion that helped to propel World War I. Created by Sal Khan.
In the year 1863, US General Ulysses S. Grant succeeds in securing the western theatre of war and moves east to take on Robert E. Lee.
Pamela explains the difference between "local" and "global" variables, a tricky concept in programming.
Pamela shows how to use different logical operators (like && and ||) inside if statements.
Pamela explains how to use loops to iterate through each value in an array.
Learn several techniques for looping through jQuery collections, using both a for loop and a jQuery method.
Pamela shows how to program animations, using the draw() function.
We'll explain how to draw circles with code (JavaScript and ProcessingJS), and then you'll get to try it yourself in a challenge.
An overview of Making webpages interactive with events
Pamela shows how to modify an array while your code is running, to add or change values.
Pamela shows how to modify objects while your program is running, to change existing properties or add new ones.
Learn how you can use jQuery to modify elements of your webpage - to change their contents, class names, CSS styles, and attributes.
An overview of other CSS text properties.