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JavaScript Glossary #1

Learn the basic definitions of terms for JavaScript as it will be helpful as you work with the programming language. I have added general and JavaScript terms.

AB
CodeCode is the name for the instructions you write to a computer in a program.
Collisionswhenever 2 inputs map to the same output.
CanvasThe screen in which our graphics programs are drawn.
Call a FunctionCalling a function actually gives the command, so the computer will run the code for that function.
BugA bug is a problem in your code.
FunctionA function is like a command that you get to invent and name. It allows us to break our program into smaller parts, making the program easier to understand.
Function BodyThe part of a function that contains the commands
AlgorithmAn algorithm is a set of steps or rules to follow to solve a particular problem.
AnimationShowing several still images one after another very quickly, to give the illusion of animated movement.
Artificial Intelligence (AI)the ability of a digital computer or computer-controlled robot to perform tasks commonly associated with intelligent beings
ASCIIASCII is the standard protocol for encoding text information as bits. The ASCII table assigns a unique binary number to every text character.
VariableA symbol or container that holds a value.
ConditionA condition is code that you put inside an if statement or while-loop.
ConstantA variable in a program that has a value that does not change.
ConcatenationConcatenation is another word for combining. Concatenating Strings is when we add Strings together.
Computer ScienceThe study of computational thinking, the thinking humans need to in order to describe a step by step process to a computer.
ComputingExecuting instructions, calculating, or using a computer.
Control StructureA control structure lets us change the flow of the code.
CounterA variable used to count the number of times an action has been performed
Define a FunctionDefining a function means to teach the computer a new command and explain what it should do when receiving that command.


Computer Science & Technology Teacher
Union County High School
Blairsville, GA

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