1. Today, when I maintained the old code of the company, I saw some of the old code. The purpose of this code is to load the html template.
//index.htmljs
$("div").load("templateOfchart.html");//templateOfchart.html
content in 2.templateOfchart.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
********
</body>
</html>
3. Such a page has some duplicate tags, such as meta title. Is this good?
if I improve, how can I improve?
4. I wonder how the front end is programmed and how it evolves when there are no frameworks such as vue. I hope the great gods can introduce some information or point out the direction. Thank you very much.