盛水最多的容器

maxArea(height){
      let l = 0, r = height.length - 1;
      let max = 0;
      while (r > l){
        if(height[l] > height[r]){
          max = Math.max(height[r] * (r-l), max);
          r--;
        }
        else{
          max = Math.max(height[l] * (r-l), max);
          l++;
        }
      }
      return max;
    },