toLowerCase ()
This method returns the calling string value converted to lowercase.
Syntax
Its syntax is as follows:
string.toLowerCase( )
Return Value
Example
Try the following example.
<html>
<head>
<title>JavaScript String toLowerCase()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round,
and Apples are Juicy."; document.write(str.toLowerCase( ));
</script>
</body>
</html>
Output
apples are round, and apples are juicy.
toString ()
This method returns a string representing the specified object.
Syntax
Its syntax is as follows:
string.toString( )
Return Value
Returns a string representing the specified object.
Example
Try the following example.
<html>
<head>
<title>JavaScript String toString()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round, and Apples
are Juicy.";
document.write(str.toString( ));
</script>
</body>
</html>
Output
Apples are round, and Apples are Juicy.
toUpperCase ()
This method returns the calling string value converted to uppercase.
Syntax
Its syntax is as follows:
string.toUpperCase( )
Return Value
Returns a string representing the specified object.
Example
Try the following example.
<html>
<head>
<title>JavaScript String toUpperCase()
Method</title>
</head>
<body>
<script type="text/javascript">
var str = "Apples are round, and Apples
are Juicy.";
document.write(str.toUpperCase( ));
</script>
</body>
</html>
Output
APPLES ARE ROUND, AND APPLES ARE JUICY.
valueOf ()
This method returns the primitive value of a String object.
Syntax
Its syntax is as follows:
string.valueOf( )
Return Value
Returns the primitive value of a String object.
Example
Try the following example.
<html>
<head>
<title>JavaScript String valueOf()
Method</title>
</head>
<body>
<script type="text/javascript">
var str = new String("Hello
world");
document.write(str.valueOf( ));
</script>
</body>
</html>
Output
Hello world
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