How to auto submit input range

How to auto submit input range after sliding it

[code]
<div class=”””slidecontainer”>
<form name=”form” action=”” method=”post”>
<input type=”range” min=”1″ max=”12″ value=”<?php echo $_POST[‘subject’]; ?>” class=”slider” name=”subject” id=”subject”>
<br><br>
</form>
</div>
[/code]

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