Ensure child elements do not surpass parent size in HTML/CSS/Javascript without altering the children directly

I am intrigued by how iframes neatly encapsulate all site data within a frame and adjust it to fit the size. Is there any method to achieve this functionality in an HTML wrapper? Can the wrapper be configured so that regardless of the content, it is displayed within its designated size without requiring manual modifications to the child elements?

Answer №1

To control the dimensions (width and height) of an element, set the size and then use overflow:hidden. This will ensure that any content exceeding the defined size will be hidden from view.

Answer №2

Take into account these two CSS attributes

This prevents content from overflowing the container

.holder{
   overflow : hidden;
   width : <dimension>;
   height : <dimension>;
}

This will automatically include scrollbars in the container if the content exceeds its limits

.holder{
   overflow : auto;
   width : <dimension>;
   height : <dimension>;
}

Answer №3

To manipulate your content, wrap it in a <div>:

#wrapper {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  overflow: auto;
  position: relative;
  border: 1px solid red;
}
<div id="wrapper">
  <p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It
    has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop
    publishing software like Aldus PageMaker including versions of Lorem Ipsum.</p>
</div>

When using elements with position: absolute, remember the importance of position: relative. For more information, refer to this answer or visit this resource:

Absolute positioning allows precise element placement using top, left, bottom, and right attributes. These values are relative to the next parent element with relative (or absolute) positioning.

If you want to make the page behave like an <iframe>, consider adjusting the <html> and <body> tags. However, this may not be recommended practice.

Center the page with margin: 0 auto and enable scrolling with overflow: auto.

html, body {
  width: 200px;
  height: 200px;
  margin: 0 auto;
  padding: 0;
  overflow: auto;
  border: 1px solid red;
}
<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.</p>

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