String.Prototype Example – JavaScript Syntax – JS String.Prototype Example
String.Prototype Example – JavaScript Syntax – JS String.Prototype Example
Purpose: – Illustrates the JavaScript syntax for the String Prototype .
View Other String Properties and Methods
Prerequistes:
- Install Visual Web Developer 2008
Syntax: object.prototype.name=value – Prototype allows you to add properties and methods to an object
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 should be: DataType
- Add New subfolder to “DataType” folder named “String”
- Right-click folder named “DataType” in solution explorer;
- add new folder;
- name of folder should be: String
- Add New subfolder to “String” folder named “Properties”
- Right-click folder named “String” in solution explorer;
- add new folder;
- name of folder should be: Properties
- Add HTML Page Named StringPrototype to Properties subfolder
- Right-click Properties subfolder;
- add new item;
- Select HTML Page
- HTML Page name should be StringPrototype
- Click on copy code in code below to copy code into HTML Page StringPrototype.htm
- Right-click on HTML page StringPrototype and select view in browser
< !DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>String.Prototype</title>
<script type="text/javascript" >
// prototype Allows you to add properties and methods to an object
// prototype is available for most objects
// Syntax: object.prototype.name=value
function car(make, model, year) {
this.make = make;
this.model = model;
this.year = year;
}
var myCar = new car("Toyota", "Corolla", 2002);
car.prototype.cost = null;
myCar.cost = 20000;
document.write("myCar.cost: " + myCar.cost);
document.write("<br />");
</script>
</head>
<body>
</body>
</html> |
