function extendDefaults(source, properties) {
        let property;
        for (property in properties) {
            if (properties.hasOwnProperty(property)) {
                source[property] = properties[property];
            }
        }
        return source;
    }
// Utility method to extend defaults with user options
Utility method to extend defaults with user options
Utility method to extend defaults with user options
function extendDefaults(source, properties) {
        let property;
        for (property in properties) {
            if (properties.hasOwnProperty(property)) {
                source[property] = properties[property];
            }
        }
        return source;
    }
function extendDefaults ( source , properties ) { let property ; for ( property in properties ) { if ( properties . hasOwnProperty ( property ) ) { source [ property ] = properties [ property ] ; } } return source ; }
Utility method to extend defaults with user options
Utility method to extend defaults with user options