split ()
This method splits a
String object into an array of strings by separating the string into
substrings.
Syntax
Its syntax is as follows:
Argument Details
· separator : Specifies the character to use for separating the string. If separator
is omitted, the array returned contains one element consisting of the entire
string.
·
limit : Integer specifying a limit on the number of splits to be found.
Return Value
The split method returns the new array. Also,
when the string is empty, split returns an array containing one empty string,
rather than an empty array.
Example
Try the following example.
<html>
<head>
<title>JavaScript String split()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round,
and apples are juicy."; var splitted = str.split(" ", 3);
document.write( splitted );
</script>
</body>
</html>
Output
Apples,are,round,
substr ()
This method returns the characters in a string
beginning at the specified location through the specified number of characters.
Syntax
The syntax to use substr() is as follows:
string.substr(start[, length]);
Argument Details
·
start : Location at which to
start extracting characters (an integer between 0 and one less than the length of the string).
·
length : The number of characters to extract.
Note: If start is negative,
substr uses it as a character index from the end of the string.
Return Value
The substr() method returns the new sub-string based on given
parameters.
Example
Try the following example.
<html>
<head>
<title>JavaScript String substr()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round, and apples
are juicy.";
document.write("(1,2): " + str.substr(1,2));
document.write("<br
/>(-2,2): " +
str.substr(-2,2));
document.write("<br
/>(1): " + str.substr(1));
document.write("<br />(-20, 2):
" + str.substr(-20,2));
document.write("<br
/>(20, 2): " +
str.substr(20,2));
</script>
</body>
</html>
Output
(1,2): pp
(-2,2): y.
(1): pples are round, and apples are juicy.
(-20, 2): nd
(20, 2): d
substring ()
This method returns a subset of a String object.
Syntax
The syntax to use substr() is as follows:
string.substring(indexA, [indexB])
Argument Details
·
indexA : An integer between 0 and one less than the length of the string.
·
indexB : (optional) An integer between 0 and the length of the string.
Return Value
The substring method returns the new sub-string based on given
parameters.
Example
Try the following example.
<html>
<head>
<title>JavaScript String substring()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round, and apples
are juicy.";
document.write("(1,2): " + str.substring(1,2));
document.write("<br
/>(0,10): " +
str.substring(0, 10));
document.write("<br
/>(5): " + str.substring(5));
</script>
</body>
</html>
Output
(1,2): p
(0,10): Apples are
(5): s are round, and apples are juicy.
toLocaleLowerCase()
This method is used to
convert the characters within a string to lowercase while respecting the
current locale. For most languages, it returns the same output as toLowerCase.
Syntax
Its syntax is as follows:
string.toLocaleLowerCase( )
Return Value
Returns a string in lowercase with the current locale.
Example
Try the following example.
<html>
<head>
<title>JavaScript String
toLocaleLowerCase() Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round,
and Apples are Juicy."; document.write(str.toLocaleLowerCase( ));
</script>
</body>
</html>
Output
apples are round, and apples are juicy.
toLocaleUppereCase ()
This method is used to
convert the characters within a string to uppercase while respecting the
current locale. For most languages, it returns the same output as toUpperCase.
Syntax
Its syntax is as follows:
string.toLocaleUpperCase( )
Return Value
Returns a string in uppercase with the current locale.
Example
Try the following example.
<html>
<head>
<title>JavaScript String toLocaleUpperCase()
Method</title>
</head>
<body>
<script
type="text/javascript">
var str = "Apples are round,
and Apples are Juicy."; document.write(str.toLocaleUpperCase( ));
</script>
</body>
</html>
Output
APPLES ARE ROUND, AND APPLES ARE JUICY.
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