$("video").prop('muted', true);
$(".mute-video").click(function () {
if ($("video").prop('muted')) {
$("video").prop('muted', false);
$(this).addClass('unmute-video'); // changing icon for button
} else {
$("video").prop('muted', true);
$(this).removeClass('unmute-video'); // changing icon for button
}
console.log($("video").prop('muted'))
});
<video width="320" height="240" controls muted>
<source src="x" type="video/x">
<source src="x" type="x">
</video>