$('div') does not generate a node object?

<!DOCTYPE html>
<html>

<head>
    <title>ceshi </title>
    <script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
    <script type="text/javascript" charset="utf-8">
    $(function() {
        const container = document.getElementById("container")
        const child = $("<div>hello world</div>")
        container.appendChild(child)

    })
    </script>
</head>

<body>
    <div id="container"></div>
</body>

</html>

the error is as follows:

Uncaught TypeError: Failed to execute "appendChild" on "Node": parameter 1 is not of type "Node".

jquery does not generate a node object, so how do you get a node object from the object generated by jquery?

Mar.18,2021

jquery generates jquery instantiated objects, so you can get the native node

.
  

jq encapsulates the dom object

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1e9e556-19c8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9e556-19c8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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