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('')