Detailed introduction to common JavaScript words

JS Words

push: Add an array element

document: Document

pop: Delete the last array element

console: Console

shift: delete the first array element

string: string

Concat combined array

undefined: undefined

typeof: Keyword

join: Convert array to specified delimiter

slice: Return specified array

length: Array length

Array: Array

number: number

boolean: Boolean

alert: prompt box

parseInt: converted to integer value

continue: continue

is NaN: not a number

sort: ascending order

break: truncate out

reverse: reverse order

object: object type

parseFloat: Convert to floating point value

index: index

floor: round down

variable: variable

ceil: round up

round: Rounding

abs: Return the absolute value

eval: Parse the string and operate

max: Compare the maximum value

return : Return

min: Compare the minimum value

addEventListener: Event name function

to.fixed: Retain decimal point

attachEvent: (on) event name

random: random number

eletment: element

onclick: mouse click event

eventName: event name

ondblclick: mouse double click Event

function: Function

onselect: Content is selected event

removeEventListener: Event release

onmouseover: Mouse move event

detachEvent : Delete registered events

onmouseout: Mouse out event

open(): Pop up a new window

onfocus: Get focus event

function: function (Method)

showModalDialog: pop up a modal window

close(): close the current window

onblur: lose focus event

onkeydown: keyboard pressed Event (before)

Date: Date object

onkeyup: Keyboard release event

onkeypress: Keyboard press event (after)

getFullYear() : Year

getMonth(): Month (0--11)

getDate(): Day

getDay(): Day of the week (Monday to Saturday)

getHours(): hours (0--23)

getMinites(): minutes

getSeconds(): seconds (0--59)

getMilliseconds(): Number of milliseconds

getTime(): Number of milliseconds from 1970 to the present

Date.now(): Value of milliseconds from 1970 to the present

tolocaleDatestring() : Output localized date

setTimeout: Delay time

tolocaleTimestring(): Output localized time

clearTimeout: Timer object

tolocalestring: Output localized date and time

setInterval: interval time

clearInterval: stop

window.status: browser status bar information

window.screen ：Screen information

screen.width：Screen width

screen.height：Screen height

screen.availwidth：Remove taskbar width

screen.avaiheight : Remove the taskbar height

history: Browsing history

location: Address bar object

onchange; content change event

onkeydown; keyboard press event (Before)

onkeyup;Keyboard release event

onkeypress;Keyboard press event (After)

navigator: used to obtain user browser information

appCodeName: String representation of the browser code name

appName: Returns the name of the browser

appVersion: Returns the platform and version information of the browser

platform: Returns the running Browser's operating system platform

userAgent: Returns the value of the

user-agent: header sent by the client to the server

Exception: Exception unexpected situation (try-- -catch)

onload: Triggered when the page is loaded

How to get the element object:

• getElementByld:

• getElementsByName：

• gatElementsByTagName：

• getElementByClassName：

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