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# Array

Posted By: Easy Tutor     Category: Javascript     Views: 7365

## 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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