WMLScript » String » String.length
- Syntax:
- String.length(string)
- string
- The mandatory string parameter can be any string containing zero or more of any combination of characters (including white spaces). This parameter can also be an empty string.
Returns the length of the string.
The
String.length function returns the integer length of a given
string. If the string is an empty string, a zero is returned.
Note that you can use the String.isEmpty
function to determine if a string is empty (i.e., has zero length).
Examples
Code:
<?xml version="1.0"?>
<!DOCTYPE wml
PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.WAPforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1">
<p>
length
example
</p>
<do type="accept">
<go
href="LengthExample.wmls#findlength()" />
</do>
</card>
<card id="card2">
<p>
string = $(strng)
<br />
length =
$(result)
</p>
</card>
</wml>Explanation:
Code for LengthExample.wml
Language(s): WML
Code:
extern function
findlength()
{
var str =
Dialogs.prompt("Enter a string", "");
var
len = String.length(str);
WMLBrowser.setVar("strng", str);
WMLBrowser.setVar("result", len);
WMLBrowser.go("LengthExample.wml#card2");
};
Explanation:
Code for LengthExample.wmls
Language(s): WML
See Also:
