1
Q
What are arrays used for?
A
To store data related to eachother
2
Q
Describe array literal notation
A
a variable is assigned to a bracket of values, separated by commas.
3
Q
How are arrays different from ‘plain’ objects?
A
Arrays are indexed
4
Q
What number represents the first index of an array?
A
0
5
Q
What is the length property of an array?
A
To show how many values are stored in the array
6
Q
How do you calculate the last index of an array?
A
object.length - 1
Web Development
flashcards
Decks in class (48)
# Cards
-
HTML Syntax3
-
HTML Skeleton4
-
CSS Positioning7
-
javascript-arrays6
-
javascript functions6
-
javascript-methods13
-
javascript-loops10
-
dom querying12
-
dom manipulation7
-
css-transform2
-
javascript-forms10
-
dom-creation7
-
css-responsive-layout3
-
dom-event-delegation6
-
css-media-queries2
-
javascript-and-json5
-
javascript-view-swapping7
-
javascript-local-storage4
-
Javascript-this8
-
javascript-custom-methods10
-
javascript-prototypes4
-
javascript-constructors3
-
javascript-timers6
-
javascript-ajax5
-
es6-const-let6
-
es6-template-literals2
-
es6-destructuring4
-
es6-arrow-functions3
-
command-line-basics13
-
node-intro5
-
node-process6
-
npm-intro5
-
postgres-intro3
-
postgres-database3
-
sql-insert4
-
sql-update2
-
sql-delete2
-
es6-classes4
-
es6-modules2
-
react-elements3
-
babel-intro4
-
react-jsx3
-
react-function-components3
-
react-props-and-expressions3
-
react-class-components2
-
react-events-and-state2
-
express-static3
-
fetch-in-react3
