JavaScript Fonksiyon Referans Listesi

Javascript üstseviye, matematik, mantıksal, dizi, zaman, string fonksiyonları referans listesi

Üst Seviye Fonksiyonlar

FF: Firefox, N: Netscape, IE: Internet Explorer

Function Description FF N IE
decodeURI() Decodes an encoded URI 1 4 5.5
decodeURIComponent() Decodes an encoded URI component 1 4 5.5
encodeURI() Encodes a string as a URI 1 4 5.5
encodeURIComponent() Encodes a string as a URI component 1 4 5.5
escape() Encodes a string 1 - 3
eval() Evaluates a string and executes it as if it was script code 1 2 3
isFinite() Checks if a value is a finite number 1 4 4
isNaN() Checks if a value is not a number 1 2 3
Number() Converts an object's value to a number 1    
parseFloat() Parses a string and returns a floating point number 1 2 3
parseInt() Parses a string and returns an integer 1 2 3
String() Converts an object's value to a string 1    
unescape() Decodes a string encoded by escape() 1 - 3


Üst Seviye Özellikler

Property Description FF N IE 
Infinity A numeric value that represents positive or negative infinity 1 4 4
NaN Indicates that a value is "Not a Number" 1 4 4
undefined Indicates that a variable has not been assigned a value 1 4 5.5

Matematik Fonksiyonları

FF: Firefox, N: Netscape, IE: Internet Explorer

Method Description FF N IE
abs(x) Returns the absolute value of a number 1 2 3
acos(x) Returns the arccosine of a number 1 2 3
asin(x) Returns the arcsine of a number 1 2 3
atan(x) Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians 1 2 3
atan2(y,x) Returns the angle theta of an (x,y) point as a numeric value between -PI and PI radians 1 2 3
ceil(x) Returns the value of a number rounded upwards to the nearest integer 1 2 3
cos(x) Returns the cosine of a number 1 2 3
exp(x) Returns the value of Ex 1 2 3
floor(x) Returns the value of a number rounded downwards to the nearest integer 1 2 3
log(x) Returns the natural logarithm (base E) of a number 1 2 3
max(x,y) Returns the number with the highest value of x and y 1 2 3
min(x,y) Returns the number with the lowest value of x and y 1 2 3
pow(x,y) Returns the value of x to the power of y 1 2 3
random() Returns a random number between 0 and 1 1 2 3
round(x) Rounds a number to the nearest integer 1 2 3
sin(x) Returns the sine of a number 1 2 3
sqrt(x) Returns the square root of a number 1 2 3
tan(x) Returns the tangent of an angle 1 2 3
toSource() Represents the source code of an object 1 4 -
valueOf() Returns the primitive value of a Math object 1 2 4


Matematik Nesne Özellikleri

Property Description FF N IE 
constructor A reference to the function that created the object 1 2 4
E Returns Euler's constant (approx. 2.718) 1 2 3
LN2 Returns the natural logarithm of 2 (approx. 0.693) 1 2 3
LN10 Returns the natural logarithm of 10 (approx. 2.302) 1 2 3
LOG2E Returns the base-2 logarithm of E (approx. 1.414) 1 2 3
LOG10E Returns the base-10 logarithm of E (approx. 0.434) 1 2 3
PI Returns PI (approx. 3.14159) 1 2 3
prototype Allows you to add properties and methods to the object 1 2 4
SQRT1_2 Returns the square root of 1/2 (approx. 0.707) 1 2 3
SQRT2 Returns the square root of 2 (approx. 1.414) 1 2 3

Boolean Nesne Metotları

FF: Firefox, N: Netscape, IE: Internet Explorer

Method Description FF N IE
toSource() Represents the source code of an object 1 4 -
toString() Converts a Boolean value to a string and returns the result 1 4 4
valueOf() Returns the primitive value of a Boolean object 1 4 4


Boolean Nesne Özellikleri

Property Description FF N IE 
constructor A reference to the function that created the object 1 2 4
prototype Allows you to add properties and methods to the object 1 2 4

Dizi Nesne Metotları

FF: Firefox, N: Netscape, IE: Internet Explorer

Method Description FF N IE
concat() Joins two or more arrays and returns the result 1 4 4
join() Puts all the elements of an array into a string. The elements are separated by a specified delimiter 1 3 4
pop() Removes and returns the last element of an array 1 4 5.5
push() Adds one or more elements to the end of an array and returns the new length 1 4 5.5
reverse() Reverses the order of the elements in an array 1 3 4
shift() Removes and returns the first element of an array 1 4 5.5
slice() Returns selected elements from an existing array 1 4 4
sort() Sorts the elements of an array 1 3 4
splice() Removes and adds new elements to an array 1 4 5.5
toSource() Represents the source code of an object 1 4 -
toString() Converts an array to a string and returns the result 1 3 4
unshift() Adds one or more elements to the beginning of an array and returns the new length 1 4 6
valueOf() Returns the primitive value of an Array object 1 2 4


Dizi Nesne Özellikleri

Property Description FF N IE 
constructor A reference to the function that created the object 1 2 4
index   1 3 4
input   1 3 4
length Sets or returns the number of elements in an array 1 2 4
prototype Allows you to add properties and methods to the object 1 2 4

Zaman Nesne Fonksiyonları

FF: Firefox, N: Netscape, IE: Internet Explorer

Method Description FF N IE
Date() Returns today's date and time 1 2 3
getDate() Returns the day of the month from a Date object (from 1-31) 1 2 3
getDay() Returns the day of the week from a Date object (from 0-6) 1 2 3
getMonth() Returns the month from a Date object (from 0-11) 1 2 3
getFullYear() Returns the year, as a four-digit number, from a Date object 1 4 4
getYear() Returns the year, as a two-digit or a four-digit number, from a Date object. Use getFullYear() instead !! 1 2 3
getHours() Returns the hour of a Date object (from 0-23) 1 2 3
getMinutes() Returns the minutes of a Date object (from 0-59) 1 2 3
getSeconds() Returns the seconds of a Date object (from 0-59) 1 2 3
getMilliseconds() Returns the milliseconds of a Date object (from 0-999) 1 4 4
getTime() Returns the number of milliseconds since midnight Jan 1, 1970 1 2 3
getTimezoneOffset() Returns the difference in minutes between local time and Greenwich Mean Time (GMT) 1 2 3
getUTCDate() Returns the day of the month from a Date object according to universal time (from 1-31) 1 4 4
getUTCDay() Returns the day of the week from a Date object according to universal time (from 0-6) 1 4 4
getUTCMonth() Returns the month from a Date object according to universal time (from 0-11) 1 4 4
getUTCFullYear() Returns the four-digit year from a Date object according to universal time 1 4 4
getUTCHours() Returns the hour of a Date object according to universal time (from 0-23) 1 4 4
getUTCMinutes() Returns the minutes of a Date object according to universal time (from 0-59) 1 4 4
getUTCSeconds() Returns the seconds of a Date object according to universal time (from 0-59) 1 4 4
getUTCMilliseconds() Returns the milliseconds of a Date object according to universal time (from 0-999) 1 4 4
parse() Takes a date string and returns the number of milliseconds since midnight of January 1, 1970 1 2 3
setDate() Sets the day of the month in a Date object (from 1-31) 1 2 3
setMonth() Sets the month in a Date object (from 0-11) 1 2 3
setFullYear() Sets the year in a Date object (four digits) 1 4 4
setYear() Sets the year in the Date object (two or four digits). Use setFullYear() instead !! 1 2 3
setHours() Sets the hour in a Date object (from 0-23) 1 2 3
setMinutes() Set the minutes in a Date object (from 0-59) 1 2 3
setSeconds() Sets the seconds in a Date object (from 0-59) 1 2 3
setMilliseconds() Sets the milliseconds in a Date object (from 0-999) 1 4 4
setTime() Calculates a date and time by adding or subtracting a specified number of milliseconds to/from midnight January 1, 1970 1 2 3
setUTCDate() Sets the day of the month in a Date object according to universal time (from 1-31) 1 4 4
setUTCMonth() Sets the month in a Date object according to universal time (from 0-11) 1 4 4
setUTCFullYear() Sets the year in a Date object according to universal time (four digits) 1 4 4
setUTCHours() Sets the hour in a Date object according to universal time (from 0-23) 1 4 4
setUTCMinutes() Set the minutes in a Date object according to universal time (from 0-59) 1 4 4
setUTCSeconds() Set the seconds in a Date object according to universal time (from 0-59) 1 4 4
setUTCMilliseconds() Sets the milliseconds in a Date object according to universal time (from 0-999) 1 4 4
toSource() Represents the source code of an object 1 4 -
toString() Converts a Date object to a string 1 2 4
toGMTString() Converts a Date object, according to Greenwich time, to a string. Use toUTCString() instead !! 1 2 3
toUTCString() Converts a Date object, according to universal time, to a string 1 4 4
toLocaleString() Converts a Date object, according to local time, to a string 1 2 3
UTC() Takes a date and returns the number of milliseconds since midnight of January 1, 1970 according to universal time 1 2 3
valueOf() Returns the primitive value of a Date object 1 2 4


Zaman Nesne Özellikleri

Property Description FF N IE 
constructor A reference to the function that created the object 1 4 4
prototype Allows you to add properties and methods to the object

String Nesne Fonksiyonları

FF: Firefox, N: Netscape, IE: Internet Explorer

Method Description FF N IE
anchor() Creates an HTML anchor 1 2 3
big() Displays a string in a big font 1 2 3
blink() Displays a blinking string 1 2  
bold() Displays a string in bold 1 2 3
charAt() Returns the character at a specified position 1 2 3
charCodeAt() Returns the Unicode of the character at a specified position 1 4 4
concat() Joins two or more strings 1 4 4
fixed() Displays a string as teletype text 1 2 3
fontcolor() Displays a string in a specified color 1 2 3
fontsize() Displays a string in a specified size 1 2 3
fromCharCode() Takes the specified Unicode values and returns a string 1 4 4
indexOf() Returns the position of the first occurrence of a specified string value in a string 1 2 3
italics() Displays a string in italic 1 2 3
lastIndexOf() Returns the position of the last occurrence of a specified string value, searching backwards from the specified position in a string 1 2 3
link() Displays a string as a hyperlink 1 2 3
match() Searches for a specified value in a string 1 4 4
replace() Replaces some characters with some other characters in a string 1 4 4
search() Searches a string for a specified value 1 4 4
slice() Extracts a part of a string and returns the extracted part in a new string 1 4 4
small() Displays a string in a small font 1 2 3
split() Splits a string into an array of strings 1 4 4
strike() Displays a string with a strikethrough 1 2 3
sub() Displays a string as subscript 1 2 3
substr() Extracts a specified number of characters in a string, from a start index 1 4 4
substring() Extracts the characters in a string between two specified indices 1 2 3
sup() Displays a string as superscript 1 2 3
toLowerCase() Displays a string in lowercase letters 1 2 3
toUpperCase() Displays a string in uppercase letters 1 2 3
toSource() Represents the source code of an object 1 4 -
valueOf() Returns the primitive value of a String object 1 2 4


String Nesne Özellikleri

Property Description FF N IE
constructor A reference to the function that created the object 1 4 4
length Returns the number of characters in a string 1 2 3
prototype Allows you to add properties and methods to the object 1 2 4


Kaynak www.w3schools.com/jsref/default.asp
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