Level 26
Level 28
11 words 0 ignored
Ready to learn
Ready to review
Ignore words
Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.
Ignore?
Yes
Dynamic Types
var x = "Let's put single quotes"
Strings and Single Quotes
var x = 'He is "nice" '
Strings and Double Quotes
typeof Name; //returns number
Types of Numbers
var x = true; var y = false;
Booleans
var arrayName = ["string1", "string2"];
Arrays
typeof variable;
type of a variable
variableName = undefined;
empty a variable
objectName = undefined;
empty an object
null
nothing
var variableName = null;
null a variable
