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Intro JS Glossary

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Edge Case General

An edge case is a problem in your code that only occurs in extreme situations.

Edge Case

JavaScript Documentation JavaScript

Documentation for the syntax and objects in Javascript that we use on CodeHS.

javascript documentation javascript docs js documentation js docs graphics data structures

Canvas JavaScript

The screen in which our graphics programs are drawn.

Canvas

Global variable JavaScript

A variable that can be used throughout a program, in every scope

Global variable

Timer JavaScript

Timers are used to used perform repeated action in a program

Timer

Coordinate system JavaScript

A coordinate system uses numbers as coordinates to place objects in a geometric space.

coordinate system

getWidth() JavaScript

JavaScript function that returns the width of the graphics canvas

getHeight() JavaScript

JavaScript function that returns the height of the graphics canvas

Radius JavaScript

The length between the center and edge of a circle

Animation JavaScript

Showing several still images one after another very quickly, to give the illusion of animated movement.

Callback Function JavaScript

A function passed as a parameter to another function in order to be called later.