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VBScript Asc Function
Complete VBScript Reference
The 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
<script type="text/vbscript">
document.write(Asc("A") & "<br />")
document.write(Asc("a") & "<br />")
document.write(Asc("F") & "<br />")
document.write(Asc("f") & "<br />")
document.write(Asc("2") & "<br />")
document.write(Asc("#") & "<br />")
</script>
document.write(Asc("A") & "<br />")
document.write(Asc("a") & "<br />")
document.write(Asc("F") & "<br />")
document.write(Asc("f") & "<br />")
document.write(Asc("2") & "<br />")
document.write(Asc("#") & "<br />")
</script>
The output of the code above will be:
65
97
70
102
50
35
97
70
102
50
35
Try it yourself »
Example 2
Asc returns the ANSI code of only the first character in a string:
<script type="text/vbscript">
document.write(Asc("W") & "<br />")
document.write(Asc("W3Schools.com"))
</script>
document.write(Asc("W") & "<br />")
document.write(Asc("W3Schools.com"))
</script>
The output of the code above will be:
87
87
87
Try it yourself »
Example 3
How to return the ANSI code of all the characters in a string:
<script type="text/vbscript">
txt="W3schools.com"
for i=1 to len(txt)
document.write(Asc(mid(txt,i,1)) & "<br />")
next
</script>
txt="W3schools.com"
for i=1 to len(txt)
document.write(Asc(mid(txt,i,1)) & "<br />")
next
</script>
The output of the code above will be:
87
51
115
99
104
111
111
108
115
46
99
111
109
51
115
99
104
111
111
108
115
46
99
111
109
Try it yourself »
Complete VBScript Reference
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Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.