Does Changing the Display Property of Flexbox Items Offer Any Advantages?

Understanding the Usage of Display Property for Flex Box Items

In the realm of CSS, understanding the behavior of flex box items and their display property is crucial. The display property allows developers to control the layout of elements within a flex container. While the default display value for flex items is block, it may arise the question of whether altering this property can provide any benefits or desired outcomes.

One question that often surfaces is the use of display:block and display:inline-block for flex box items. As per the CSS specification, specifying inline-block or block for the display property will not result in noticeable changes, as both values are effectively converted to block during computation.

However, the display property offers more flexibility than merely switching between block and inline-block. By setting the display value to table or inline-table, flex items can be transformed into table-like elements, allowing developers to leverage HTML table functionality within their flex layouts. Similarly, using inline-grid or grid as the display property enables flex items to exhibit grid-based behavior.

To illustrate the effects of altering the display property for flex box items, consider the following code snippet:

.box {
  display: flex;
  margin:5px;
}

.box > div {
  height: 50px;
  width: 100%;
  background: red;
  display: grid;
  grid-template-columns: 200px 1fr;
  grid-template-rows: 1fr;
  grid-gap: 20px;
}

span {
  border: 2px solid green;
}

<div class="box">
  <div>
    <span></span>
    <span></span>
  </div>
</div>

<div class="box">
  <div>

In this example, the first box uses the default block display property for its flex items, resulting in a horizontal layout. The second box, however, sets the display property to inline-grid for its flex items. Consequently, the flex items adopt a grid-based layout, showcasing the flexibility provided by altering the display property in a flex box context.

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