As its name indicates, Javascript parseInt
function is used to convert string value to a corresponding integer value.
Javascript parseInt
function accept string parameter and return corresponding integer.
Syntax
var obj1=new String("7893");
document.write(parseInt(obj1));
var obj2=new Boolean(0);
document.write(parseInt(obj2));
<!DOCTYPE html>
<html>
<head> <!-- www.techstrikers.com -->
<title>My first Javascript code</title>
</head>
<body bgcolor="#bnde45">
<fieldset>
<legend>Javascript parseInt Function</legend>
<script>
var obj1=new String("7893");
document.write(parseInt(obj1));
document.write("");
var obj1=new String("233.3233");
document.write(parseInt(obj1));
document.write("");
var obj2=new String("NaN");
document.write(parseInt(obj2));
document.write("");
var obj3=new Boolean("false");
document.write(parseInt(obj3));
document.write("");
var obj4=new Date();
document.write(parseInt(obj4));
document.write("");
</script>
</fieldset>
</body>
</html>