Working with characters in strings
Every character in a string has an index position in the string (an integer). The index position of the first character is 0. For example, in the following string, the character y is in position 0 and the character w is in position 5:
"yellow"
You can examine individual characters in various positions in a string using the charAt() method and the charCodeAt() method, as in this example:
var str:String = "hello world!";
for (var i:int = 0; i < str.length; i++)
{
trace(str.charAt(i), "-", str.charCodeAt(i));
}
When you run this code, the following output is produced:
h - 104
e - 101
l - 108
l - 108
o - 111
- 32
w - 119
o - 111
r - 114
l - 108
d - 100
! - 33
You can also use character codes to define a string using the fromCharCode() method, as the following example shows:
var myStr:String = String.fromCharCode(104,101,108,108,111,32,119,111,114,108,100,33);
// Sets myStr to "hello world!"
11:07 AM
|
Labels:
Flex Action Script 3.0
|
This entry was posted on 11:07 AM
and is filed under
Flex Action Script 3.0
.
You can follow any responses to this entry through
the RSS 2.0 feed.
You can leave a response,
or trackback from your own site.
0 comments:
Post a Comment