What is the difference between <div> and <span>?

Answer 1

Div is a block-element, used like a container.
Span is a inline-element, used for inline text.

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<div>
<h2> Lorem Ispum </h2>
<span> Lorem Ipsum la la la </span>
</div>

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<span> Lorem Ipsum la la la </span>

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Answer 2

Adding to @Maz, <span> tag is meant for applying inline styles to the content that is otherwise not possible.
<span style="color:red:font-weight:bold">Important Text</span>

Answer 3

span is inline element
div is a block element

Answer 4

https://www.w3schools.com/tags/tag_span.asp
https://www.w3schools.com/tags/tag_div.asp

Answer 5

Try running a code using div and span. You will get the difference by seeing the output.

Answer 6

<div> for container (block)
<span> for texts (inline)
But <div> is an older element of HTML.
In HTML5, there is already:
<main>
<article>
<section>
<header>
<nav>
and many more which is more readable and easy to understand than <div>.