JavaScript Flash fromCharCode and charCodeAt Method Usage Description _ Basics
Source: Internet
Author: User
fromCharCode Method Returns a string from some Unicode character values.
String.fromCharCode ([code1[, code2[, ...) [, Coden]]]
Parameters
String
Required option. is a String object.
Code1, ..., coden
Options available. is the sequence of Unicode character values to convert to a string. If no arguments are given, the result is an empty string.
Description
You do not have to create a String object before calling fromCharCode.
In the following example, test contains the string "plain":
var test = String.fromCharCode (112, 108, 97, 105, 110);
Requirements
Version 3
Please see
charCodeAt Method | Method of a String object
charCodeAt Method Returns an Integer that represents the Unicode encoding of the character at the specified position.
Strobj.charcodeat (Index)
Parameters
Strobj
Required option. Any String object or text.
Index
Required option. The number of the zero-based count of the character to be processed. A number with a valid value of 0 to a string length minus 1.
Description
The first character in a string is numbered 0, the second character is numbered 1, and so on.
If there are no characters at the specified location, NaN is returned.
Example
The following example illustrates the use of the charCodeAt method.
function Charcodeattest (n) {
var str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; Initializes the variable.
var n; Declare a variable.
n = str.charcodeat (n-1); Gets the Unicode value of the character on position N.
return (n); Returns the value.
}
Flash Down String.fromCharCode
Availability of
Flash Player 5.
Usage
String.fromCharCode (c1,c2,... CN)
Parameters
C1, c2...cn decimal integer representing the ASCII value.
Return
No.
Description
method, returning a string consisting of the characters represented by the ASCII value in the parameter.
Example
This example uses the fromCharCode method to insert an "@" character into an e-mail address.
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