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Steven Andrew
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Decks in this class (38)
variables & datatypes
Shorten the belowlet user john le...,
Let hello hello world let message...,
Varibles cannot start with a ____...
19
cards
alert, prompt, confirm
Result prompt title default the s...
1
cards
type conversions & math
Alert 6 2 returns,
Let str 123 alert typeof str returns,
Let str 123 let num number str al...
38
cards
Comparisons
A bwrite not equal to,
Let result 5 4 returns,
Alert z a returnsalert glow glee r
22
cards
Conditional branching: if, '?'
All become false because of that ...,
Shorten below and whylet accessal...
2
cards
logicial operators
Alert true true alert false true ...,
Let firstname let lastname let ni...,
True alert not printed false aler...
20
cards
Nullish coalescing operator '??'
_____ returns the first argument ...,
Nullish coalescing operator returns,
Let user alert user anonymous ret...
12
cards
Loops: while and for
What are the 5 loops,
Write a blank while loop,
F the loop body has a single stat...
10
cards
The "switch" statement
The _____ loop has one or more ca...,
In a switch loop the default is o...,
For switch we must emphasize that...
3
cards
Functions
Function showmessage alert hello ...,
Let username john function showme...,
Function showmessage let message ...
24
cards
Function expressions
Omitting a name is allowed for fu...,
Function sayhi alert hello alert ...,
In javascript a function is a ___...
17
cards
Arrow functions, the basics
Let double n n 2 how can this be ...,
In a arrow function if there are ...
2
cards
JavaScript specials
A semicolon is needed after funct...,
What are the 8 data types,
The ______ construct can replace ...
3
cards
Objects
Let user new object the above is ...,
Let user,
An object has a property named
26
cards
Object references and copying
Let user name john let admin user...,
Let a let b a alert a b returns,
Alert a b
17
cards
Garbage collection (SKIPPED)
The main concept of memory manage...
1
cards
Object methods, "this"
Let user name john age 30 write a...,
A function that is a property of ...,
Let user function sayhi alert hel...
10
cards
Constructor, operator "new"
Constructor functions technically...,
When a function is executed with ...,
Usually constructors do not have ...
5
cards
Optional chaining '?.'
Let user alert useraddressstreet ...,
Let user null let x 0 user sayhi ...,
Let user null user name john retu...
7
cards
Symbol Type
By specification only two primiti...,
A _______ represents a unique ide...,
Let id1 symbol id let id2 symbol ...
17
cards
Object to primitive conversion (SKIPPED)
0
cards
Methods of primitives
There are 7 primitive types,
Alert typeof 0,
Alert typeof new number 0
6
cards
Numbers
Let billion 1e9,
Let m s 0000001 another way of wr...,
Round number down
16
cards
Strings
Alert myn length returns and why,
Let str hello alert str 2,
Let str hello alert str 0 returns
22
cards
Arrays
Let arr let arr write two ways fo...,
Let fruits apple orange plum frui...,
Fruits 3 lemon
17
cards
Array Methods
Let arr i go home delete arr 1 al...,
Let arr i go home delete arr 1 al...,
Let arr i study javascript arrspl...
43
cards
Iterables (SKIPPED)
0
cards
Map and Set
_____are used for storing keyed c...,
Map is a collection of keyed data...,
Unlike objects keys are not conve...
34
cards
WeakMap and WeakSet
The first difference between map ...,
Let weakmap new weakmap let obj w...,
Let weakmap new weakmap let obj w...
6
cards
Object.keys, values, entries
Returns an array of keys in an ob...,
Returns an array of values in an ...,
Returns an array of key value pai...
7
cards
Destructuring assignment (SKIPPED)
Let firstname surname arr let fir...,
Let a b c abc returns
2
cards
Date and time (SKIPPED)
0
cards
JSON methods (SKIPPED)
0
cards
Recursion and stack
A partial case of this is when a ...,
Function pow x n let result 1 for...
2
cards
Rest parameters and spread syntax
Function sum a b return a b alert...,
Function f arg1 rest arg2 arg2 af...,
Arrow functions do not have ______
12
cards
Destructuring assignment
0
cards
Date and time
0
cards
JSON methods, toJSON
0
cards
More about
JavaScript.info
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