Javascript cheat-sheet-v1
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This document lists and describes various JavaScript methods, functions, objects, and concepts including: - Common methods for built-in objects like String, Array, Number, Date, and Regular Expressions - DOM methods for manipulating the document object model like getElementById() - Event handlers for responding to browser events - Regular expression patterns and modifiers - Built-in functions like eval(), parseInt(), and setTimeout() - Using the XMLHttpRequest object to make AJAX requests - Embedding JavaScript in HTML pages
![Methods
Object
toString
toLocaleString
valueOf
hasOwnProperty
isPrototypeOf
propertyIsEnumerable
String
charAt
charCodeAt
fromCharCode
concat
indexOf
lastIndexOf
localeCompare
match
replace
search
slice
split
substring
substr
toLowerCase
toUpperCase
toLocaleLowerCase
toLocaleUpperCase
RegEx
test
match
exec
Array
concat
join
push
pop
reverse
shift
slice
sort
splice
unshift
Number
toFixed
toExponential
toPrecision
Date
parse
toDateString
toTimeString
getDate
getDay
getFullYear
getHours
getMilliseconds
getMinutes
getMonth
getSeconds
getTime
getTimezoneOffset
getYear
setDate
setHours
setMilliseconds
setMinutes
setMonth
setSeconds
setYear
toLocaleTimeString
FUNCTIONS AND METHODS
A method is a type of function, associated
with an object. A normal function is not
associated with an object.
REGULAR EXPRESSIONS - MODIFIERS
/g
/i
/s
/m
Global matching
Case insensitive
Single line mode
Multi line mode
EVENT HANDLERS
onAbort
onBlur
onChange
onClick
onDblClick
onDragDrop
onError
onFocus
onKeyDown
onKeyPress
onKeyUp
onLoad
onMouseDown
onMouseMove
onMouseOut
onMouseOver
onMouseUp
onMove
onReset
onResize
onSelect
onSubmit
onUnload
JavaScript
DOM Methods
Document
clear
createDocument
createDocumentFragment
createElement
createEvent
createEventObject
createRange
createTextNode
getElementsByTagName
getElementById
write
Node
addEventListener
appendChild
attachEvent
cloneNode
createTextRange
detachEvent
dispatchEvent
fireEvent
getAttributeNS
getAttributeNode
hasChildNodes
hasAttribute
hasAttributes
insertBefore
removeChild
removeEventListener
replaceChild
scrollIntoView
Form
submit
DOM Collections
item
Range
collapse
createContextualFragment
moveEnd
moveStart
parentElement
select
setStartBefore
Style
getPropertyValue
setProperty
Event
initEvent
preventDefault
stopPropagation
XMLSerializer
serializeToString
XMLHTTP
open
send
XMLDOM
loadXML
DOMParser
parseFromString
REGULAR EXPRESSIONS - FORMAT
Regular expressions in JavaScript take
the form:
var RegEx = /pattern/modifiers;
REGULAR EXPRESSIONS - PATTERNS
^
$
.
(a|b)
(...)
[abc]
[^abc]
a?
a*
a+
a{3}
a{3,}
a{3,6}
!(pattern)
Start of string
End of string
Any single character
a or b
Group section
Item in range (a or b or c)
Not in range (not a or b or c)
Zero or one of a
Zero or more of a
One or more of a
Exactly 3 of a
3 or more of a
Between 3 and 6 of a
"Not" prefix. Apply rule when
URL does not match pattern.
Functions
Built In
eval
parseInt
parseFloat
isNaN
isFinite
decodeURI
decodeURIComponent
encodeURI
encodeURIComponent
escape
unescape
Window
alert
blur
clearTimeout
close
focus
open
print
setTimeout
JAVASCRIPT IN HTML
External JavaScript File
<script type="text/javascript"
src="javascript.js"></script>
Inline JavaScript
<script type="text/javascript">
<!--
// JavaScript Here
//-->
</script>
Available free from
AddedBytes.com
XMLHttpRequest
Safari, Mozilla, Opera:
var req = new XMLHttpRequest();
Internet Explorer:
var req = new
ActiveXObject("Microsoft.XMLHTTP");
XMLHttpRequest readyState Values
0
1
2
3
4
Uninitiated
Loading
Loaded
Interactive
Complete
XMLHttpRequest Object Methods
abort()
getAllResponseHeaders()
getResponseHeader(header)
open(method, URL)
send(body)
setRequestHeader(header, value)
XMLHttpRequest Object Properties
onreadystatechange
readyState
responseText
responseXML
status
statusText](https://image.slidesharecdn.com/javascript-cheat-sheet-v1-130712032355-phpapp01/85/Javascript-cheat-sheet-v1-1-320.jpg)
Javascript cheat-sheet-v1
- 1. Methods Object toString toLocaleString valueOf hasOwnProperty isPrototypeOf propertyIsEnumerable String charAt charCodeAt fromCharCode concat indexOf lastIndexOf localeCompare match replace search slice split substring substr toLowerCase toUpperCase toLocaleLowerCase toLocaleUpperCase RegEx test match exec Array concat join push pop reverse shift slice sort splice unshift Number toFixed toExponential toPrecision Date parse toDateString toTimeString getDate getDay getFullYear getHours getMilliseconds getMinutes getMonth getSeconds getTime getTimezoneOffset getYear setDate setHours setMilliseconds setMinutes setMonth setSeconds setYear toLocaleTimeString FUNCTIONS AND METHODS A method is a type of function, associated with an object. A normal function is not associated with an object. REGULAR EXPRESSIONS - MODIFIERS /g /i /s /m Global matching Case insensitive Single line mode Multi line mode EVENT HANDLERS onAbort onBlur onChange onClick onDblClick onDragDrop onError onFocus onKeyDown onKeyPress onKeyUp onLoad onMouseDown onMouseMove onMouseOut onMouseOver onMouseUp onMove onReset onResize onSelect onSubmit onUnload JavaScript DOM Methods Document clear createDocument createDocumentFragment createElement createEvent createEventObject createRange createTextNode getElementsByTagName getElementById write Node addEventListener appendChild attachEvent cloneNode createTextRange detachEvent dispatchEvent fireEvent getAttributeNS getAttributeNode hasChildNodes hasAttribute hasAttributes insertBefore removeChild removeEventListener replaceChild scrollIntoView Form submit DOM Collections item Range collapse createContextualFragment moveEnd moveStart parentElement select setStartBefore Style getPropertyValue setProperty Event initEvent preventDefault stopPropagation XMLSerializer serializeToString XMLHTTP open send XMLDOM loadXML DOMParser parseFromString REGULAR EXPRESSIONS - FORMAT Regular expressions in JavaScript take the form: var RegEx = /pattern/modifiers; REGULAR EXPRESSIONS - PATTERNS ^ $ . (a|b) (...) [abc] [^abc] a? a* a+ a{3} a{3,} a{3,6} !(pattern) Start of string End of string Any single character a or b Group section Item in range (a or b or c) Not in range (not a or b or c) Zero or one of a Zero or more of a One or more of a Exactly 3 of a 3 or more of a Between 3 and 6 of a "Not" prefix. Apply rule when URL does not match pattern. Functions Built In eval parseInt parseFloat isNaN isFinite decodeURI decodeURIComponent encodeURI encodeURIComponent escape unescape Window alert blur clearTimeout close focus open print setTimeout JAVASCRIPT IN HTML External JavaScript File <script type="text/javascript" src="javascript.js"></script> Inline JavaScript <script type="text/javascript"> <!-- // JavaScript Here //--> </script> Available free from AddedBytes.com XMLHttpRequest Safari, Mozilla, Opera: var req = new XMLHttpRequest(); Internet Explorer: var req = new ActiveXObject("Microsoft.XMLHTTP"); XMLHttpRequest readyState Values 0 1 2 3 4 Uninitiated Loading Loaded Interactive Complete XMLHttpRequest Object Methods abort() getAllResponseHeaders() getResponseHeader(header) open(method, URL) send(body) setRequestHeader(header, value) XMLHttpRequest Object Properties onreadystatechange readyState responseText responseXML status statusText