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JS 2

second vocab

TermDefinition
JavaScript Object Oriented Programming Language. That means it’s a language used to create objects and do things with those objects.
Characters Every letter, number, symbol, or even space that takes up space in a document is called a Unicode character. 1, t, $, and _ are all characters.
Variable (written as “var”) is a container that stores a specific value. For example, if x = 3, x is the variable because it stores a value of 3.
Syntax set of rules, like grammar, that help JavaScript run properly. A sentence without a period is endless. JavaScript needs rules to work.
Value can either be a specific number, a series of numbers that have to be calculated, or something that will be provided later in the code.
Statements a single instruction that a web browser (Chrome, Firefox, etc) is supposed to do. It ends with a semicolon.
Objects In JavaScript, almost everything is an object because everything has a purpose. Think of objects as a collection of specific values.
Semicolons the most used kind of punctuation in JavaScript because it ends every statement.
Assignment Variables are usually given assignments like y = 5 where “=” is the assignment operator. Assignments are like homework for variables.
Operators symbols used to assign, solve, compare certain values. They can be as simple as “+” (plus) or as weird as “!=” (not equal).
Functions blocks of code ( found inside { and } brackets ) written to perform a specific task whenever asked, or called to do so.
Method actions that can be performed on various objects and variables. They are written like myMethod(), dodge(), or fatCat().
Conditions a statement (usually written with “if” or “else” or both) used to perform different actions that can be either true or false.
String series of characters (like letters, numbers, and symbols) inside quotes. For example, “I play games” is a string of text.
Events a “thing” that happens to an HTML element on a page. For example, if clicking on a button makes a box pop up, that was an event.
Created by: pinellasacademy