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Array

Posted By: Easy Tutor     Category: Javascript     Views: 2899

This article explains you about how to use array in javascript. You will also find syntax and example for using array in javascript

Syntax for Array in Javascript

Array is logical grouping of set of data.

Declaration of Array
//Declare One-Dimensional Array//Array Size is of 10var ArrayObj = new Array([ArrayLenght])

//Example of One-Dimensional Arrayvar objArray = new Array(10);


//Declaration of Multi-Dimensional Array//Array Size is of 10,10var ArrayObj = new Array([ArrayLenght],[ArrayLenght])

//Example of Multi-Dimensional Arrayvar objArray = new Array(10,5);


Following Example will show how to use one dimensional array declaration
function OneDimensionArray() {
            //Declare One-Dimensional Array//Array Size is of 10var objArray = new Array(10);

            //Looping through Array and Assign Valuefor (i = 0; i < 10; i++) {
                objArray[i] = i;
            }

            //Displaying value of Arrayfor (i = 0; i < 10; i++) {
                alert("Value of objArray[" + i + "]: " + objArray[i]);
            }
        }


Following Example will display how to use Two-Dimensional Array
function TwoDimensionArray() {
            //Declare Two-Dimensional Array//Array Size is of 10var objArray = new Array(5,10);

            //Looping through Array and Assign Valuefor (i = 0; i < 10; i++) {
                objArray[i] = i;
            }

            //Displaying value of Arrayfor (i = 0; i < 5; i++) {
                for (j = 0; j < 10; j++) {
                    alert("Value of objArray[" + i + ", " + j +"]: " + objArray[i,j]);
                }
            }
        }

Example for Array in Javascript

Following Example will display output of Two-Dimensional Array

Please click on Test Button to Test the functionality.





  
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Easy Tutor
Easy Tutor author of Array is from United States. Easy Tutor says

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