Javascript Number Function

As its name indicates, Javascript number function is used to convert object to the corresponding number value.

Javascript number function accept object parameter and return corresponding number.It return NaN if unable to convert object into corresponding number.

Syntax

var obj1=new String("7893");
document.write(Number(obj1));

Javascript Number Function Example

<!DOCTYPE html>
<html>  
<head>  <!-- www.techstrikers.com -->
<title>My first Javascript code</title>   
</head>  
<body bgcolor="#bnde45">
<fieldset>
<legend>Javascript Number Function</legend>
<script> 

var obj1=new String("7893");
document.write(Number(obj1));
document.write("</br>");  

var obj2=new String("NaN");
document.write(Number(obj2));
document.write("</br>"); 

var obj3=new Boolean("false");
document.write(Number(obj3));
document.write("</br>");  

var obj4=new Date();
document.write(Number(obj4));
document.write("</br>"); 

var obj5=new String("9191 9999");
document.write(Number(obj5));
document.write("</br>");  

</script>
</fieldset>
</body>  
</html>

See Live Example

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