Array Object

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Array Object
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The Array Object in Javascript

Array Constructors

Array();
Array( size );
Array( element1, element2, ..., elementN);


Array Examples


   var aMyArray = new Array();
   
var aMyArray = new Array( 20 );
   
var aMyArray = new Array( 1,5,2,20,99 );
   
var aMyArray = new Array( "Mon""Tue""Wed""Thu""Fri" );


Array Usage

   //Adding elements to an array
   
for (x=0; x<MyCount; x++) {
      aMyArray[x] = close(-x)/open(-x);
   }

   
//Retrieving elements from an array
   
for (x=0; x<MyCount; x++) {
      nMyValue = aMyArray[x];
      debugPrint( 
"Value: " + nMyValue + "\n" );
   }



Array Methods and Properties

concat(array2)
concatenates array2 into the array object
join(separator)
returns a string consisting ofall array elements concatenated with separator
length
returns the number of elements in the array
pop()
removes the last element from the array and returns that element
push()
adds one or more elements to the end of an array and returns the new length of the array
shift()
removes the first element from an array and returns that element
unshift()
adds one or more elements to the beginning of an array and returns the new array length
reverse()
reverses all of the elements in the array object
slice(start,end)
returns a section of the array from start to end
splice(start, quant, [item1,...,itemN])
changes the contents of an array, adding new elements while removing old elements
sort(sortFunc)
sorts the array using the user-defined sortFunc()