The valueOf() function accepts a Number object and returns the number (primitive) wrapped by the given object.
Syntax
Its Syntax is as follows
num.valueOf(num);
Example
Live Demo
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var num = 215;
result = num.toString(16);
document.write("Result: " + result);
</script>
</body>
</html>
Output
Result: d7
Example
Live Demo
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var num = 215;
result = num.toString(16);
document.write("Result: " + result);
document.write("<br>");
document.write("Result: " + num.valueOf(0));
document.write("<br>");
document.write("Result: " + num.valueOf(-16));
document.write("<br>");
document.write("Result: " + num.valueOf());
document.write("<br>");
var dat = 0/0;
document.write("Result: " + dat.valueOf(16));
</script>
</body>
</html>
Output
Result: d7
Result: 215
Result: 215
Result: 215
Result: NaN