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Property Summary
Object [index]
Get an element by index.
Number length
Get the length of the array.



Method Summary
Array concat(value1)
Returns a new array comprised of this array joined with other array(s) and/or value(s).
Array concat(value1, value2)
Returns a new array comprised of this array joined with other array(s) and/or value(s).
Array concat(value1, value2, valueN)
Returns a new array comprised of this array joined with other array(s) and/or value(s).
Boolean every(callback)
Runs a function on items in the array while that function is returning true.
Boolean every(callback, thisObject)
Runs a function on items in the array while that function is returning true.
Array filter(callback)
Runs a function on every item in the array and returns an array of all items for which the function returns true.
Array filter(callback, thisObject)
Runs a function on every item in the array and returns an array of all items for which the function returns true.
void forEach(callback)
Runs a function (callback) on every item in the array.
void forEach(callback, thisObject)
Runs a function (callback) on every item in the array.
Number indexOf(searchElement)
Returns the first index at which a given element can be found in the array, or -1 if it is not present.
Number indexOf(searchElement, fromIndex)
Returns the first index at which a given element can be found in the array, or -1 if it is not present.
Boolean isArray(obj)
Checks whether an object is an array or not.
String join(delimiter)
Puts all elements in the array into a string, separating each element with the specified delimiter
Number lastIndexOf(searchElement)
Returns the last index at which a given element can be found in the array, or -1 if it is not present.
Number lastIndexOf(searchElement, fromIndex)
Returns the last index at which a given element can be found in the array, or -1 if it is not present.
Array map(callback)
Runs a function on every item in the array and returns the results in an array.
Array map(callback, thisObject)
Runs a function on every item in the array and returns the results in an array.
Object pop()
Pops the last string off the array and returns it.
Number push(value1)
Mutates an array by appending the given elements and returning the new length of the array.
Number push(value1, value2)
Mutates an array by appending the given elements and returning the new length of the array.
Number push(value1, value2, valueN)
Mutates an array by appending the given elements and returning the new length of the array.
Array reverse()
Puts array elements in reverse order.
Object shift()
Decreases array element size by one by shifting the first element off the array and returning it.
Array slice(begin)
The slice method creates a new array from a selected section of an array.
Array slice(begin, end)
The slice method creates a new array from a selected section of an array.
Boolean some(callback)
Runs a function on items in the array while that function returns false.
Boolean some(callback, thisObject)
Runs a function on items in the array while that function returns false.
Array sort()
Sorts the array elements in dictionary order or using a compare function passed to the method.
Array sort(function)
Sorts the array elements in dictionary order or using a compare function passed to the method.
Array splice(arrayIndex, length)
It is used to take elements out of an array and replace them with those specified.
Array splice(arrayIndex, length, value1)
It is used to take elements out of an array and replace them with those specified.
Array splice(arrayIndex, length, value1, value2)
It is used to take elements out of an array and replace them with those specified.
Array splice(arrayIndex, length, value1, value2, valueN)
It is used to take elements out of an array and replace them with those specified.
Array unshift(value1, value2, valueN)
Places element data at the start of an array.



Property Details

[index]

Get an element by index.

Returns

Sample

array[0]
 

length

Get the length of the array.

Returns

Sample

array.length
 



Method Details

concat

Array concat (value1)
Returns a new array comprised of this array joined with other array(s) and/or value(s).

Parameters

{Object} value1

Returns

Sample

array.concat();
 

concat

Array concat (value1, value2)
Returns a new array comprised of this array joined with other array(s) and/or value(s).

Parameters

{Object} value1
{Object} value2

Returns

Sample

array.concat();
 

concat

Array concat (value1, value2, valueN)
Returns a new array comprised of this array joined with other array(s) and/or value(s).

Parameters

{Object} value1
{Object} value2
{Object} valueN

Returns

Sample

array.concat();
 

every

Boolean every (callback)
Runs a function on items in the array while that function is returning true. It returns true if the function returns true for every item it could visit.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback

Returns

Sample

function isNumber(value) { return typeof value == 'number'; }
var a1 = [1, 2, 3];
application.output(a1.every(isNumber));
var a2 = [1, '2', 3];
application.output(a2.every(isNumber));
 

every

Boolean every (callback, thisObject)
Runs a function on items in the array while that function is returning true. It returns true if the function returns true for every item it could visit.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback
{Array} thisObject

Returns

Sample

function isNumber(value) { return typeof value == 'number'; }
var a1 = [1, 2, 3];
application.output(a1.every(isNumber));
var a2 = [1, '2', 3];
application.output(a2.every(isNumber));
 

filter

Array filter (callback)
Runs a function on every item in the array and returns an array of all items for which the function returns true.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback

Returns

Sample

var a1 = ['a', 10, 'b', 20, 'c', 30];
var a2 = a1.filter(function(item) { return typeof item == 'number'; });
application.output(a2);
 

filter

Array filter (callback, thisObject)
Runs a function on every item in the array and returns an array of all items for which the function returns true.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback
{Array} thisObject

Returns

Sample

var a1 = ['a', 10, 'b', 20, 'c', 30];
var a2 = a1.filter(function(item) { return typeof item == 'number'; });
application.output(a2);
 

forEach

void forEach (callback)
Runs a function (callback) on every item in the array. The callback function is invoked only for indexes of the array which have assigned values.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback

Returns

void

Sample

function printThemOut(element, index, array) {
		application.output("a[" + index + "] = " + element);
}
var a = ['a', 'b', 'c'];
a.forEach(printThemOut);
 

forEach

void forEach (callback, thisObject)
Runs a function (callback) on every item in the array. The callback function is invoked only for indexes of the array which have assigned values.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback
{Object} thisObject

Returns

void

Sample

function printThemOut(element, index, array) {
		application.output("a[" + index + "] = " + element);
}
var a = ['a', 'b', 'c'];
a.forEach(printThemOut);
 

indexOf

Number indexOf (searchElement)
Returns the first index at which a given element can be found in the array, or -1 if it is not present.

Parameters

{Object} searchElement

Returns

Sample

var a = ['a', 'b', 'a', 'b', 'a'];
application.output(a.indexOf('b'));
application.output(a.indexOf('b', 2));
application.output(a.indexOf('z'));
 

indexOf

Number indexOf (searchElement, fromIndex)
Returns the first index at which a given element can be found in the array, or -1 if it is not present.

Parameters

{Object} searchElement
{Number} fromIndex

Returns

Sample

var a = ['a', 'b', 'a', 'b', 'a'];
application.output(a.indexOf('b'));
application.output(a.indexOf('b', 2));
application.output(a.indexOf('z'));
 

isArray

Boolean isArray (obj)
Checks whether an object is an array or not.

Parameters

{Object} obj

Returns

Sample

var a = [1, 2, 3];
application.output(Array.isArray(a)); //prints true
application.output(Array.isArray(23)); //prints false
 

join

String join (delimiter)
Puts all elements in the array into a string, separating each element with the specified delimiter

Parameters

{String} delimiter

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var jwords = words.join(";");
 

lastIndexOf

Number lastIndexOf (searchElement)
Returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting at fromIndex.

Parameters

{Object} searchElement

Returns

Sample

var a = ['a', 'b', 'c', 'd', 'a', 'b'];
application.output(a.lastIndexOf('b'));
application.output(a.lastIndexOf('b', 4));
application.output(a.lastIndexOf('z'));
 

lastIndexOf

Number lastIndexOf (searchElement, fromIndex)
Returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting at fromIndex.

Parameters

{Object} searchElement
{Number} fromIndex

Returns

Sample

var a = ['a', 'b', 'c', 'd', 'a', 'b'];
application.output(a.lastIndexOf('b'));
application.output(a.lastIndexOf('b', 4));
application.output(a.lastIndexOf('z'));
 

map

Array map (callback)
Runs a function on every item in the array and returns the results in an array.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Object} callback

Returns

Sample

var a = ['a', 'b', 'c'];
var a2 = a.map(function(item) { return item.toUpperCase(); });
application.output(a2);
 

map

Array map (callback, thisObject)
Runs a function on every item in the array and returns the results in an array.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Object} callback
{Array} thisObject

Returns

Sample

var a = ['a', 'b', 'c'];
var a2 = a.map(function(item) { return item.toUpperCase(); });
application.output(a2);
 

pop

Object pop ()
Pops the last string off the array and returns it.

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var lastword = words.pop();
 

push

Number push (value1)
Mutates an array by appending the given elements and returning the new length of the array.

Parameters

{Object} value1

Returns

Sample

var words = new Array("limit","lines","finish","complete");
words.push("In","Out");
 

push

Number push (value1, value2)
Mutates an array by appending the given elements and returning the new length of the array.

Parameters

{Object} value1
{Object} value2

Returns

Sample

var words = new Array("limit","lines","finish","complete");
words.push("In","Out");
 

push

Number push (value1, value2, valueN)
Mutates an array by appending the given elements and returning the new length of the array.

Parameters

{Object} value1
{Object} value2
{Object} valueN

Returns

Sample

var words = new Array("limit","lines","finish","complete");
words.push("In","Out");
 

reverse

Array reverse ()
Puts array elements in reverse order.

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
words.reverse();
 

shift

Object shift ()
Decreases array element size by one by shifting the first element off the array and returning it.

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
words.shift();
 

slice

Array slice (begin)
The slice method creates a new array from a selected section of an array.

Parameters

{Object} begin

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.slice(3, 5);
 

slice

Array slice (begin, end)
The slice method creates a new array from a selected section of an array.

Parameters

{Object} begin
{Object} end

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.slice(3, 5);
 

some

Boolean some (callback)
Runs a function on items in the array while that function returns false. It returns true if the function returns true for any item it could visit.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback

Returns

Sample

function isNumber(value) { return typeof value == 'number'; }
var a1 = [1, 2, 3];
application.output(a1.some(isNumber));
var a2 = [1, '2', 3];
application.output(a2.some(isNumber));
 

some

Boolean some (callback, thisObject)
Runs a function on items in the array while that function returns false. It returns true if the function returns true for any item it could visit.
The callback function is invoked with three arguments: the element value, the element index, the array being traversed.

Parameters

{Function} callback
{Array} thisObject

Returns

Sample

function isNumber(value) { return typeof value == 'number'; }
var a1 = [1, 2, 3];
application.output(a1.some(isNumber));
var a2 = [1, '2', 3];
application.output(a2.some(isNumber));
 

sort

Array sort ()
Sorts the array elements in dictionary order or using a compare function passed to the method.

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
words.sort();
 

sort

Array sort (function)
Sorts the array elements in dictionary order or using a compare function passed to the method.

Parameters

{Function} function

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
words.sort();
 

splice

Array splice (arrayIndex, length)
It is used to take elements out of an array and replace them with those specified.

Parameters

{Object} arrayIndex
{Object} length

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.splice(3, 2, "done", "On");
 

splice

Array splice (arrayIndex, length, value1)
It is used to take elements out of an array and replace them with those specified.

Parameters

{Object} arrayIndex
{Object} length
{Object} value1

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.splice(3, 2, "done", "On");
 

splice

Array splice (arrayIndex, length, value1, value2)
It is used to take elements out of an array and replace them with those specified.

Parameters

{Object} arrayIndex
{Object} length
{Object} value1
{Object} value2

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.splice(3, 2, "done", "On");
 

splice

Array splice (arrayIndex, length, value1, value2, valueN)
It is used to take elements out of an array and replace them with those specified.

Parameters

{Object} arrayIndex
{Object} length
{Object} value1
{Object} value2
{Object} valueN

Returns

Sample

var words = new Array("limit","lines","finish","complete","In","Out");
var nwords1 = words.splice(3, 2, "done", "On");
 

unshift

Array unshift (value1, value2, valueN)
Places element data at the start of an array.

Parameters

{Object} value1
{Object} value2
{Object} valueN

Returns

Sample

var words = new Array("finish","complete","In","Out");
words.unshift("limit","lines");
 



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