javascriptの練習

(true)

true

(graph)

graph

(confirmdialog)

confirmdialog

(async await)

async await

(length)

length

(click)

click

(string.indexOf(searchValue))

string.indexOf(searchValue)

(array.findindex(v => v % 2 === 0))

array.findindex(v => v % 2 === 0)

(parseint(str))

parseint(str)

(object.key object["key"])

object.key object["key"]

(str.replace(reg, match => leetMap[match]))

str.replace(reg, match => leetMap[match])

(/[abc]/g new RegExp("[abc]","g"))

/[abc]/g new RegExp("[abc]","g")

(Object.keys(leetMap).join("|")))

Object.keys(leetMap).join("|"))

(array.filter(v => v % 2 === 0))

array.filter(v => v % 2 === 0)

(array.sort((a, b) => a - b))

array.sort((a, b) => a - b)

(array.shift())

array.shift()

(str.slice( 0, 5 ))

str.slice( 0, 5 )

(str.substr( 0, 5 ))

str.substr( 0, 5 )

(str.slice( -5 ))

str.slice( -5 )

(str.substr( -5, 5 ))

str.substr( -5, 5 )