When Should I Use `` vs. `` for Webpage Layouts?-CSS Tutorial-php.cn

When Should I Use `` vs. `` for Webpage Layouts?

Comparing SPAN and DIV for Webpage Layouts

In HTML, both and

can be used for webpage layout. However, it's crucial to understand their distinct characteristics to optimize your code.

Inline vs. Block Elements

is an inline element, meaning it flows inline with the surrounding text.

is a block element that starts on a new line and occupies the full width available. While CSS can alter these default behaviors, HTML validation guidelines prioritize using appropriate elements for their intended purpose.

Inserting Content

Nested content within is permissible. It can contain any other element, including

, and . However, it's important to note that block elements cannot be nested within inline elements according to HTML specifications.

Table-Like Layouts

Utilizing within

can create table-like layouts. However, it's worth considering the following:

Inline elements (like ) cannot encapsulate block elements, so
elements within are not strictly valid HTML.
While using inline-block (as in
) enables block elements to be placed inline, it's best practice to use
for block-level elements and for inline content.

In summary, choose for inline content and

for block elements. Adhering to these guidelines ensures both semantic correctness and clean code organization.

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