The Boolean Object The Boolean object represents two values: "true" or "false". Syntax for creating a Boolean object: ...
The Boolean Object
The Boolean object represents two values: "true" or "false".Syntax for creating a Boolean object:
var myBool=new Boolean(value) |
Note: If the value parameter is omitted, or is 0, -0, null, "", false, undefined, or NaN, the object is set to false. Otherwise it is set to true (even with the string "false")!
Boolean Object Properties
FF: Firefox, N: Netscape, IE: Internet ExplorerProperty | Description | FF | N | IE |
---|---|---|---|---|
constructor | Returns a reference to the Boolean function that created the object | 1 | 2 | 4 |
prototype | Allows you to add properties and methods to the object | 1 | 2 | 4 |
Boolean Object Methods
Method | Description | FF | N | IE |
---|---|---|---|---|
toSource() | Returns the source code of the object | 1 | 4 | - |
toString() | Converts a Boolean value to a string and returns the result | 1 | 4 | 4 |
valueOf() | Returns the primitive value of a Boolean object | 1 | 4 | 4 |