VBScript Asc Function

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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>

The output of the code above will be:

65
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>

The output of the code above will be:

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>

The output of the code above will be:

87
51
115
99
104
111
111
108
115
46
99
111
109
Try it yourself »

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