Array Example – Data Type – JavaScript Syntax – JS Array Example
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Array Example – Data Type – JavaScript Syntax – JS Array Example
Purpose: – Illustrates the JavaScript syntax for the Array example.
Prerequistes:
- Install Visual Web Developer 2008
Syntax: var arrayname["item1","item2",...] – Demonstrates creating various types of arrays.
Restrictions: None
Notes:
- You can build your own library of syntax examples by using same web site over and over and just add new files to it.
Instructions:
- Use Visual Web Developer 2008
- Create new web site;
- Click File/New Web Site
- Select ASP.NET Website Template
- Select C-Sharp for Language
- name of Web Site could be JavaScript_Syntax.
- Add New folder named "DataType"
- Right-click project name in solution explorer;
- add new folder;
- name of folder could be: DataType
- Add HTML Page Named Array to DataType folder
- Right-click DataType folder;
- add new item;
- Select HTML Page
- HTML Page could be Array
- Click on copy code in code below to copy code into HTML Page Array.htm
- Right-click on HTML page Array and select view in browser
| HTML | | | | ? |
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
<html> |
<head> |
<title>Array literal</title> |
<script type="text/javascript" > |
//***************************************************** |
// Three ways to create an array |
//***************************************************** |
//1. Literal Array |
var myfruits = ["apples", "bananas", "canalope"]; //literal |
//2. Condensed Array |
var myColors = new Array("red", "green", "blue"); // condensed array |
//3. Regular Array - you can add an optional number when defining array to control arrays |
// size |
var myAnimals = new Array(); // regular array (add an optional integer |
myAnimals[0] = "Loins"; // argument to control array's size) |
myAnimals[1] = "Tigers"; |
myAnimals[2] = "Bears"; |
//***************************************************** |
// Two Ways to Access an array |
//***************************************************** |
//1. Access the entire array |
document.write(myfruits); |
document.write("<br />"); |
//2. Access an element |
document.write(myColors[1]); |
document.write("<br />"); |
//****************************************************** |
// How to modify an array |
//****************************************************** |
myColors[0] = "Pink" |
document.write(myColors); |
</script> |
</head> |
<body> |
</body> |
</html> |
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