The First Cookie Wins When Conflicting Cookie Names Are Used With Different Settings In Lucee CFML 5.3.6.61

create.cfm

<cfscript>

	param name="url.type" type="string" default="full";

	if ( url.type == "full" ) {

		cookie[ "benben" ] = {
			value: "woot woot (for .projects.local.invisionapp.com)",
			domain: ".projects.local.invisionapp.com",
			secure: true,
			preserveCase: true,
			expires: "never"
		};

	} else {

		cookie[ "benben" ] = {
			value: "woot woot (for .local.invisionapp.com)",
			domain: ".local.invisionapp.com",
			secure: true,
			preserveCase: true,
			expires: "never"
		};

	}

</cfscript>

<!---
	After we SET the cookies on the ColdFusion Response, let's see how they present on
	the Client-side in JavaScript.
--->
<script type="text/javascript">

	for ( var cookie of document.cookie.split( /;\s*/g ) ) {

		var pair = cookie.split( /=/ );

		if ( pair[ 0 ] === "benben" ) {

			console.log( pair[ 0 ], ":", decodeURIComponent( pair[ 1 ] ) );

		}

	}

</script>

read.cfm

<cfscript>
	
	dump( cookie );

</cfscript>

snippet-1.cfm

<cfscript>

	cookie[ "benben" ] = {
		value: "",
		domain: ".local.invisionapp.com",
		secure: true,
		preserveCase: true,
		expires: "now" // Setting the OLD cookie, at less-specific domain, to expire.
	};

	cookie[ "benben" ] = {
		value: "woot woot (for .projects.local.invisionapp.com)",
		domain: ".projects.local.invisionapp.com",
		secure: true,
		preserveCase: true,
		expires: "never"
	};

</cfscript>