function randomColor() {
  let color =`rgb(`;
  color += `${getRandomNumber()},`;
  color += `${getRandomNumber()},`;
  color += `${getRandomNumber()}`;
  return color;
}
/** generates a random rgb color string
 * @return {string} - returns a string that is an rgb color value
 */
generates a random rgb color string
@return {string} - returns a string that is an rgb color value
generates a random rgb color string @return { string } - returns a string that is an rgb color value
function randomColor() {
  let color =`rgb(`;
  color += `${getRandomNumber()},`;
  color += `${getRandomNumber()},`;
  color += `${getRandomNumber()}`;
  return color;
}
function randomColor ( ) { let color = ` ` ; color += ` ${ getRandomNumber ( ) } ` ; color += ` ${ getRandomNumber ( ) } ` ; color += ` ${ getRandomNumber ( ) } ` ; return color ; }
generates a random rgb color string
 @return {string} - returns a string that is an rgb color value
generates a random rgb color string @return { string } - returns a string that is an rgb color value