| abs(x) |
Math |
Number |
Return the absolute value of x.
|
| acos(x) |
Math |
Number |
Return the arc cosine of x, in radians.
|
| apply([thisScope],[args]) |
Function |
Object |
Call the function/method, optionally setting a new scope for this and passing in parameters via an array.
|
| atan(x) |
Math |
Number |
Return the arc tangent of x, in radians.
|
| atan2(y,x) |
Math |
Number |
Return the arc tangent of the quotient y/x, where the signs of y and x are used to determine the quadrant of the result, in radians.
|
| call([thisScope],[arg1],[arg2],…) |
Function |
Object |
Call the function/method, optionally setting a new scope for this and passing in parameters.
|
| ceil(x) |
Math |
Number |
Return smallest integer which is larger than x (aka "round up").
|
| charAt(pos) |
String |
String |
Return the character at a particular index in the string.
|
| charCodeAt(pos) |
String |
Number |
Return the Unicode value of the character at a particular index in the string.
|
| concat([string1],[string2],[...]) |
String |
String |
Append one or more strings to the current string, and return the result.
|
| concat([item1],[item2],[...]) |
Array |
Array |
Concatenates one or more items or arrays onto the current array.
|
| cos(x) |
Math |
Number |
Return the cosine of x, in radians.
|
| eval(str) |
Global |
(none) |
Evaluate the supplied string as ECMAScript code.
|
| exec(sourceString) |
RegExp |
Array |
Run the regular expression against a string and return a single match.
|
| exp(x) |
Math |
Number |
Return the value of ex.
|
| floor(x) |
Math |
Number |
Return largest integer which is less than x (aka "round down").
|
| fromCharCode([charCode0],[charCode1],[...]) |
String |
String |
Create a new string from a series of Unicode character values.
|
| getDate() |
Date |
Number |
Return the day number in the local timezone.
|
| getDay() |
Date |
Number |
Return the zero-based weekday number in the local timezone.
|
| getFullYear() |
Date |
Number |
Return the four-digit year in the local timezone.
|
| getHours() |
Date |
Number |
Return the hour number in the local timezone.
|
| getMilliseconds() |
Date |
Number |
Return the millisecond number in the local timezone.
|
| getMinutes() |
Date |
Number |
Return the minute number in the local timezone.
|
| getMonth() |
Date |
Number |
Return the zero-based month number in the local timezone.
|
| getSeconds() |
Date |
Number |
Return the second number in the local timezone.
|
| getTime() |
Date |
Number |
Return the number of milliseconds since Midnight, Jan 1, 1970 UTC.
|
| getTimezoneOffset() |
Date |
Number |
Returns the difference between the local time and UTC time in minutes.
|
| getUTCDate() |
Date |
Number |
Return the day number in UTC.
|
| getUTCDay() |
Date |
Number |
Return the zero-based weekday number in UTC.
|
| getUTCFullYear() |
Date |
Number |
Return the four-digit year in UTC.
|
| getUTCHours() |
Date |
Number |
Return the hour number in UTC.
|
| getUTCMilliseconds() |
Date |
Number |
Return the millisecond number in UTC.
|
| getUTCMinutes() |
Date |
Number |
Return the minute number in UTC.
|
| getUTCMonth() |
Date |
Number |
Return the zero-based month number in UTC.
|
| getUTCSeconds() |
Date |
Number |
Return the second number in UTC.
|
| hasOwnProperty(propertyOrMethodName) |
Object |
Boolean |
Determines if the object/instance itself has the named property or method.
|
| indexOf(searchString,[position]) |
String |
String |
Find the offset of a substring within the string.
|
| isFinite(num) |
Global |
Boolean |
Returns false if the supplied number is NaN, Infinity or -Infinity; returns true otherwise.
|
| isNaN(num) |
Global |
Boolean |
Returns true if the supplied number is NaN, false otherwise.
|
| isPrototypeOf(instanceToTest) |
Object |
Boolean |
Determines if the calling object prototype is in the inheritance chain for the supplied argument.
|
| join([separator]) |
Array |
String |
Returns a string representation of the array, separated by the delimiter of your choice.
|
| lastIndexOf(searchString,[position]) |
String |
String |
The offset of a substring within the string.
|
| localeCompare(compareString) |
String |
Number |
Compare the string to the argument in the current locale.
|
| log(x) |
Math |
Number |
Return the natural logarithm of x.
|
| match(expr) |
String |
Array |
Run the supplied regular expression against the string and return an array of the results.
|
| max([value1],[value2],[...]) |
Math |
Number |
Return the largest of all arguments supplied.
|
| min([value1],[value2],[...]) |
Math |
Number |
Return the smallest of all arguments supplied.
|
| parse(dateString) |
Date |
Number |
Attempt to parse the supplied string as a date, and return the number of milliseconds it represents.
|
| parseFloat(string) |
Global |
Number |
Attempt to convert a string into a number.
|
| parseInt(string,[radix]) |
Global |
Number |
Attempt to convert a string into an integer number, using the specified base.
|
| pop() |
Array |
Object |
Remove the last element from the array and return it.
|
| pow(x,y) |
Math |
Number |
Return the value of raising x to the power y.
|
| propertyIsEnumerable(propertyOrMethodName) |
Object |
Boolean |
Determines if the object/instance itself has a property or method of the supplied name which will appear in a for (prop in obj) enumeration.
|
| push([item1],[item2],[...]) |
Array |
Number |
Adds one or more elements to the end of the array, returning the new length.
|
| random() |
Math |
Number |
Return a floating-point random number between 0 (inclusive) and 1 (exclusive).
|
| replace(searchExpr,replaceExpr) |
String |
String |
Find and replace values in a string, and return the changed string.
|
| reverse() |
Array |
Array |
Reverses the order of the elements in the array, and returns the array.
|
| round(x) |
Math |
Number |
Round a number to the closest integer.
|
| search(searchExpr) |
String |
Number |
Find the offset of a regular expression within the string.
|
| setDate(day) |
Date |
Number |
Set the day number in the local timezone.
|
| setFullYear(year,[month],[day]) |
Date |
Number |
Set the year, expressed in the local timezone.
|
| setHours(hours,[mins],[secs],…) |
Date |
Number |
Set the hour number in the local timezone.
|
| setMilliseconds(ms) |
Date |
Number |
Set the millisecond number in the local timezone.
|
| setMinutes(mins,[secs],[ms]) |
Date |
Number |
Set the minute number in the local timezone.
|
| setMonth(month,[day]) |
Date |
Number |
Set the zero-based month, expressed in the local timezone.
|
| setSeconds(second,[ms]) |
Date |
Number |
Set the second number in the local timezone.
|
| setTime(time) |
Date |
Number |
Set the date object to a new time.
|
| setUTCDate(day) |
Date |
Number |
Set the UTC day number.
|
| setUTCFullYear(year,[month],[day]) |
Date |
Number |
Set the UTC year number.
|
| setUTCHours(hours,[mins],[secs],…) |
Date |
Number |
Set the UTC hours.
|
| setUTCMilliseconds([ms]) |
Date |
Number |
Set the UTC milliseconds.
|
| setUTCMinutes(mins,[secs],[ms]) |
Date |
Number |
Set the UTC minutes.
|
| setUTCMonth(month,[day]) |
Date |
Number |
Set the UTC month.
|
| setUTCSeconds(secs,[ms]) |
Date |
Number |
Set the UTC seconds.
|
| shift() |
Array |
Object |
Removes the first element of the array and returns it.
|
| sin(x) |
Math |
Number |
Return the sine of x, in radians.
|
| slice(start,[end]) |
Array |
Array |
Return a specified section of an array.
|
| slice(start,[end]) |
String |
String |
Return a specified subsection of the string.
|
| sort([compareFunction]) |
Array |
Array |
Sort the array.
|
| splice(start,deleteCount,[newItem1],…) |
Array |
Array |
Remove a section from the array and return it; optionally inserting new values in that place.
|
| split([separator],[limit]) |
String |
Array |
Separate the string into pieces and return an array of the resulting substrings.
|
| sqrt(x) |
Math |
Number |
Return the square root of x.
|
| substring(start,[end]) |
String |
String |
Return a specified subsection of the string.
|
| tan(x) |
Math |
Number |
Return the tangent of x, in radians.
|
| test(sourceString) |
RegExp |
Boolean |
Run the regular expression against a string; return true if a match exists, false otherwise.
|
| toDateString() |
Date |
String |
Return a string version of the date-only portion of the object.
|
| toExponential([fractionDigits]) |
Number |
String |
Return the number formatted in scientific notation, with one digit before the decimal point and a specified number of digits after.
|
| toFixed([fractionDigits]) |
Number |
String |
Return the number formatted with a specified number of digits after the decimal point.
|
| toLocaleLowerCase() |
String |
String |
Return a locale-specific lowercase version of the string.
|
| toLocaleString() |
Object |
String |
For most objects, the same as toString() unless explicitly overridden.
|
| toLocaleUpperCase() |
String |
String |
Return a locale-specific uppercase version of the string.
|
| toLowerCase() |
String |
String |
Return a lowercase version of the string.
|
| toPrecision(precision) |
Number |
String |
Return the number as a string in either in fixed or exponential notation, with the specified number of digits.
|
| toString() |
Object |
String |
Returns a string representation of the object.
|
| toString([radix]) |
Number |
String |
Return the number as a string converted to a specified base.
|
| toTimeString() |
Date |
String |
Return a string version of the time-only portion of the object.
|
| toUpperCase() |
String |
String |
Return an uppercase version of the string.
|
| toUTCString() |
Date |
String |
Returns a string form of the Date in a convenient, human-readable form in UTC.
|
| unshift([newItem1],[newItem2],[...]) |
Array |
Number |
Insert items to the front of an array, and return the new length.
|
| UTC(year,month,[day],…) |
Date |
Number |
Return the number of milliseconds corresponding to the supplied arguments.
|
| valueOf() |
Object |
String |
Returns the internal this value of the object.
|