关于javascript:去重超简方法Set

记录两种Set类去重办法

• 数组去重 [...new Set(array)]

   let arr = [1,1,1,1,1,1,2,2,2,2,3,3,3,5,5,6,6,7,8] console.log([...new Set(arr)]) 

• 字符串去重 [...new Set('ababbc')].join('')

    let str = 'asdsdaasqwqeqwessdddfffsadasd'  console.log([...new Set(str)].join('')