TryCF Gist

trycf-gist-1568934552868-59e2498f-b780-0db5-ba00-4ff264144eab.cfm

<cfscript>
    order = {"id":1234,"customer_id":333,"total":1000.00};
    
    // Mutable way
    order["a"] = "SOMETHING";
    
    // Mutable way
    order.append( {"b":"SOMETHING ELSE"} );
    
    // Immutable way
    result = duplicate(order).append({"c":"NEW STRUCT"});
    
    
    writeDump([
        order,
        result
    ]);

</cfscript>