VBScript Asc Function
❮ Complete VBScript ReferenceThe Asc function converts the first character in a string to ANSI code, and returns the result.
Syntax
Asc(string)
| Parameter | Description |
|---|---|
| string | Required. A string expression. Cannot be an empty string! |
Examples
Example 1
<%
response.write(Asc("A") & "<br />")
response.write(Asc("a") & "<br />")
response.write(Asc("F") & "<br />")
response.write(Asc("f") & "<br />")
response.write(Asc("2") & "<br />")
response.write(Asc("#") & "<br />")
%>
response.write(Asc("A") & "<br />")
response.write(Asc("a") & "<br />")
response.write(Asc("F") & "<br />")
response.write(Asc("f") & "<br />")
response.write(Asc("2") & "<br />")
response.write(Asc("#") & "<br />")
%>
The output of the code above will be:
65
97
70
102
50
35
Show Example »
97
70
102
50
35
Example 2
Asc returns the ANSI code of only the first character in a string:
<%
response.write(Asc("W") & "<br />")
response.write(Asc("W3Schools.com"))
%>
response.write(Asc("W") & "<br />")
response.write(Asc("W3Schools.com"))
%>
The output of the code above will be:
87
87
Show Example »
87
Example 3
How to return the ANSI code of all the characters in a string:
<%
txt="W3schools.com"
for i=1 to len(txt)
response.write(Asc(mid(txt,i,1)) & "<br />")
next
%>
txt="W3schools.com"
for i=1 to len(txt)
response.write(Asc(mid(txt,i,1)) & "<br />")
next
%>
The output of the code above will be:
87
51
115
99
104
111
111
108
115
46
99
111
109
Show Example »
51
115
99
104
111
111
108
115
46
99
111
109
❮ Complete VBScript Reference