Assign undefined value to an array element : Introduction « Array « JavaScript Tutorial

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JavaScript Tutorial » Array » Introduction

11. 1. 9. Assign undefined value to an array element


<HTML>

   <HEAD>

   <TITLE>

   Iteration

   </TITLE>

   </HEAD>

   <BODY>

   <H1>

   <SCRIPT>

      var myArray = new Array(4);

      myArray[0] = "A";

      myArray[1] = undefined;

      myArray[2] = "C";

      myArray[3] = "D";

      myArray[6] = "E";

      

      delete myArray[2]

     for (var i = 0; i < myArray.length; i++){

       if (myArray[i] != undefined)

        document.write("myArray[" + i + "] = " + myArray[i] + "<br>");

     }     

   </SCRIPT>

   </H1>

   </BODY>

</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

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