dojo.provide("counterString");
dojo.require("com.ibm.team.workitem.api.common.WorkItemAttributes");

(function() {
    dojo.declare("counterString", null, {

    getValue: function(attribute, workItem, configuration) {
        try { var counter = parseFloat(workItem.getValue("counterstring"));
            console.log("Count String is 1: " + counter + "\n\n");
            if (isNaN(counter)=== true)            
{
console.log("Count String now is 2: " + counter + "\n\n");
counter = 0 ;
console.log("Count String now is: 3" + counter + "\n\n");
}

else
{
console.log("Count String now is 4: " + counter + "\n\n");
            counter = counter + 1;
console.log("Count String now is 5: " + counter + "\n\n");
console.log("Exiting Counter String");
            }
            return counter.toString();
           
        }
        catch(err) {
            var txt;
            txt="There was an error on this page.\n\n";
            txt+="Error description: " + err.message + "\n\n";
            txt+="Click OK to continue.\n\n";
           
            console.log("Inside ERR Counter String" + txt + "\n\n");
        }

    }

    });
})();

This script executes every time the State or any attribute is changed. I only want script to execute when the Owned By is changed. As of now when Owned By is changed, the script executes twice, one for Owned By Change and second for the save.