code: function noExponent(number) {
      const data = String(number).split(/[eE]/)
      if (data.length == 1) return data[0]
  
      let z = ''
      const sign = number < 0 ? '-' : ''
      const str = data[0].replace('.', '')
      let mag = Number(data[1]) + 1;
  
      if (mag < 0) {
          z = sign + '0.'
          while (mag++) z += '0'
          return z + str.replace(/^\-/, '')
      }
      mag -= str.length
      while (mag--) z += '0'
      return str + z
  }
docs: 将科学记数法转为普通字符串
  @param {Number} number