[enhancement]Partially hot-reload the script

[tingwei628]

each bundle has its own requesteach bundle has its own request (compared with each bundle hashkey)

[tingwei628]

// after getting notified, it started to send a http request to localhost server
var requestPath = "";
var request = new XMLHttpRequest();
request.open("GET",[file_path], true);
request.send(null);
request.onreadystatechange = function() {
    if (request.readyState === 4 && request.status === 200) {
        console.error('error');
    } else {
        // remove and append child to document.body
    }
}

[tingwei628]

<script type="module" src="js/index.min.js"><script>

Ref How to use ECMAScript modules to build modular components in JavaScript@SaidHayani