prototype (String - JavaScript)
Extends the object with additional properties and methods.
Defined in
String (Standard - JavaScript)Syntax
prototype.name = value| Return value | Description |
|---|---|
name |
The name of the property or method. |
value |
The value of the property or method. For a property, this should be an expression. For a method, this should be a function definition. |
Examples
(1) This computed label defines a property for the String object then displays it.String.prototype.coname = "Acme Corporation";
var s = new String();
s.coname(2) This computed label defines a function
for the String object then calls it.
String.prototype.toProper = function() {
return this.left(1).toUpper() + this.substr(1).toLower();
}
var s = new String("bar");
s.toProper() // Bar