IsBoolean(value)
<cfscript>
WriteOutput(isBoolean(12)); // returns Yes
WriteOutput(isBoolean("yes")); // returns Yes
WriteOutput(isBoolean("no")); // returns Yes
WriteOutput(isBoolean(0)); // returns Yes
WriteOutput(isBoolean(true)); // returns Yes
WriteOutput(isBoolean(false)); // returns Yes
WriteOutput(isBoolean("hello")); // returns No
bool_val = true;
WriteOutput(isBoolean(bool_val)); // returns No
</cfscript>
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