TryCF Gist

trycf-gist-1731937362412-ae97a84e-f1d4-4a66-3df9-238480748ce5.cfm

<!-- Input Form -->
<form action="processNumber.cfm" method="post">
    Enter the number: <input type="text" name="num">
    <input type="submit" value="Submit">
</form>

<!-- Processing the Input -->
<!--<cfif CGI.REQUEST_METHOD EQ 'POST'></cfif>-->
<cfif StructKeyExists(form, "num") AND Len(form.num) GT 0>
    <cfset num = Val(form.num)> <!-- Convert input to numeric -->

    <cfif num GT 0>
        <cfoutput>#num# is positive</cfoutput>
    <cfelseif num LT 0>
        <cfoutput>#num# is negative</cfoutput>
    <cfelse>
        <cfoutput>#num# is zero</cfoutput>
    </cfif>
<cfelse>
    <cfoutput>Please enter a number above.</cfoutput>
</cfif>