Java Script commands

Question 1

add embedded string

Answer 1

${ }

Question 2

3 main variables

Answer 2

var
let
const

Question 3

Extracting part of a string

Answer 3

slice (start, end) - takes a slice
substring
substr - specifies length

Question 4

convert string to upper and lower case

Answer 4

toUpperCase()
toLowerCase()

Question 5

remove white space

Answer 5

trim()

Question 6

add padding to start of string

Answer 6

padStart(X,”Y”) - pad start with letter Y until it reaches X characters

Question 7

convert a number to a string

Answer 7

toString()

Question 8

case sensitive replace string

Answer 8

.replace(“this” , “that”) - replaces ‘this’ with ‘that’.

Question 9

case insensitive replace string

Answer 9

.repace(/this/i , “that)

Question 10

conditional

Answer 10

if (condition) {run this code }
else {run this code}