August 2003
Intermediate to advanced
1140 pages
68h 45m
English
IsBoolean
IsBoolean(value)Returns true if the specified value can be
converted to a Boolean or false if it
can’t. Examples:
<cfoutput>
-1: #IsBoolean(-1)#<br>
0: #IsBoolean(0)#<br>
1234: #IsBoolean(1234)#<br>
abcdef: #IsBoolean('abcdef')#<br>
true: #IsBoolean(true)#<br>
false: #IsBoolean(false)#<br>
yes: #IsBoolean('yes')#<br>
no: #IsBoolean('no')#<br>
as45sd-1: #IsBoolean('as45sd')#<br>
!@$%^: #IsBoolean('!@$%^')#
</cfoutput>