//根据color进行去重
const uniqueArr1 = [...new Map(newolumns.map(item => [item['color'], item])).values()];
//根据color和name进行去重
const uniqueArr1= [...new Map(newolumns.map(item => [`${item['color']}-${item['name']}`, item])).values()];
//根据color进行去重
const uniqueArr1 = [...new Map(newolumns.map(item => [item['color'], item])).values()];
//根据color和name进行去重
const uniqueArr1= [...new Map(newolumns.map(item => [`${item['color']}-${item['name']}`, item])).values()];