How Do I Prevent Excess Scrolling and White Space When Using a Canvas Element Within a Scrollable Div?

Canvas Scrolls Beyond Boundaries: A White Space Dilemma

When attempting to integrate a canvas element into a div container and scrolling the contents within it, you may encounter an issue where the canvas appears to scroll too far, exposing the underlying color of the container. This problem stems from the inherent nature of canvas elements as inline elements.

To resolve this issue, you have two options:

1. Designating the Canvas as a Block Element

Inline elements, like images, do not fully utilize the available vertical space within their containers. To remedy this, you can transform the canvas into a block element by adding the following CSS property:

canvas {
  display: block;
}

This adjustment will allow the canvas to occupy the entire height of the container, preventing the white space issue.

2. Adjusting Vertical Alignment

Alternatively, you can employ vertical alignment to rectify the problem. By using the following CSS property, you can vertically align the canvas content at the top of its container:

canvas {
  vertical-align: top;
}

This technique will effectively eliminate the white space below the canvas.

By implementing either of these solutions, you can ensure that the canvas scrolling is confined to its designated area, allowing for a seamless scrolling experience without exposing the container background.

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