var maxArea = function (height) {
let n = height.length;
let l = 0;
let r = n - 1;
let ma = 0;
while (l < r) {
w = r - l;
let h = Math.min(height[l], height[r]);
ma = Math.max(ma, w * h);
if (height[l] < height[r]) {
l += 1;
} else {
r -= 1;
}
}
return ma;
};