Arrays as Objects : Introduction « Array « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Array
  3. Introduction

It is possible to access the elements of arrays as properties if a string index is used.

The [] operators and dot notation can be used interchangeably when accessing the contents of the array.

<HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
    function populateArray(table) {
      table.A=46;
      table.B=23;
      table["B"]=14;
      table["C"]=15;
    }
    function displayArray(table) {
      document.write(table['A']," A.<BR>");
      document.write(table['B']," B.<BR>");
      document.write(table.B," B.<BR>");
      document.write(table.C," pairs of C.");
    }
    var myArray = new Array();
    populateArray(myArray);
    displayArray(myArray);
-->
</SCRIPT>
</HTML>








11.1.Introduction
11.1.1.Array's Constructor
11.1.2.Use Array's Constructor
11.1.3.Properties and Methods Used by the Array Object
11.1.4.Arrays as Objects
11.1.5.Creating an Array and Accessing Its Elements
11.1.6.Create an array using the Object() constructor
11.1.7.Methods Available in the Array Object
11.1.8.Delete an array element
11.1.9.Assign undefined value to an array element
11.1.10.Pass an array to a function
11.1.11.Return an array from a function