What is the oninvalid .?

What is the `oninvalid`.?

What is the html 5 `oninvalid`.?

What is the oninvalid.? |What is the html 5 oninvalid.?|What is the oninvalid html5.?

Form Event AttributesOn (during) means in (not), valid (valid). This quality provides functionality with script during the absence of the data entered.
Sample-1:

 <figcaption> <audio controls src='https://interactive-examples.mdn.mozilla.net/media/cc0-audio/t-rex-roar.mp3' oninvalid='alert('bu bir oninvalid html 5 olay nitelik uyarisidir');'><br></audio></figcaption>

Sample-2:
<div oninvalid='alert('bu bir oninvalid html 5 olay nitelik uyarisidir');'><br>Content<br></div>

What is the oninvalid .?

On your e-commerce site you can show the user at negative data entries.

Sample-3:
<span oninvalid='alert('bu bir oninvalid html 5 olay nitelik uyarisidir');'><br>Content<br></span>
Sample-4:
<p oninvalid='alert('bu bir oninvalid html 5 olay nitelik uyarisidir');'><br>Content<br></p>
Sample-5:
<h1 oninvalid='alert('bu bir oninvalid html 5 olay nitelik uyarisidir');'><br>Content<br></h1>

oninvalid And More İnformation.