prototype (Boolean - JavaScript)
Extends the object with additional properties and methods.
Defined in
Boolean (Standard - JavaScript)Syntax
prototype.name = value| Parameters | 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 displaystrue
or false.Boolean.prototype.T = true;
Boolean.prototype.F = false;
var b = new Boolean();
b.T.toString() + " or " + b.F.toString()(2) This computed
label defines a function for the Boolean object then calls it.
Boolean.prototype.admin = function() {
if(session.getCommonUserName().indexOf("admin") == 0)
return false;
else return true;
}
var b = new Boolean();
if(b.admin())
return "Admin"
else
return "End user"