Use the document.embeds property in JavaScript to get the number of
You can try running the following code to implement the document.embeds property in JavaScript.
Real-time demonstration
<!DOCTYPE html>
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<embed src = "/html/yourfile.mid" width = "250" height = "100" />
<script>
var num = document.embeds.length;
document.write("<br>How many embed tags: "+num);
</script>
</body>
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