非常规数组转化

	  1>
	 	  const area = ['0点,1点'];
	      console.log(area[0])
	      const a = JSON.stringify(area[0])
	      const b = a.substring(1, a.length - 1)
	      const c = b.split(',')
	      console.log(c)
      2>
	      const area = ['0点,1点'];
	      area[0].split(',')
	      console.log(area[0].split(','))