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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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