#jArchi script to add or update properties on a selection of objects

AddOrUpdateProperty.ajs

var propName = window.prompt("Which property do you want to add or update (leave empty to cancel)?", "");
if (propName) {
	var propValue = window.prompt("Which value do you want to set for '"+propName+"' (leave empty to cancel)?", "");
	if (propValue) {
		$(selection).prop(propName, propValue);
	}
}