JavaScript constructor Property
Complete Boolean Object Reference
Definition and Usage
The constructor property returns a reference to the Boolean function that created
the
object.
Syntax
Example 1
In this example we will show how to use the constructor property:
<script type="text/javascript">
var test=new Boolean();
if (test.constructor==Array)
{
document.write("This is an Array");
}
if (test.constructor==Boolean)
{
document.write("This is a Boolean");
}
if (test.constructor==Date)
{
document.write("This is a Date");
}
if (test.constructor==String)
{
document.write("This is a String");
}
</script>
|
The output of the code above will be:
Try-It-Yourself Demos
constructor - Boolean
In this example we will show how to use the constructor property.
Complete Boolean Object Reference
|
|
Get Your Diploma!
W3Schools' Online Certification Program is the perfect solution for busy
professionals who need to balance work, family, and career building.
The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM.
The XML Certificate is for developers who want to document their knowledge of XML, XML DOM and XSLT.
The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.
The PHP Certificate is for developers who want to document their knowledge of PHP and SQL (MySQL).
|
|