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dependabot/npm_and_yarn/模块化/06_ES6_Babel_Browserify/lodash-4.17.15

Blog
/
websocket
/
轮询.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="clock"></div>
<script>
    let clockDiv = document.getElementById('clock');
    setInterval(function(){
        let xhr = new XMLHttpRequest;
        xhr.open('GET','/clock',true);
        xhr.onreadystatechange = function(){
            if(xhr.readyState == 4 && xhr.status == 200){
                console.log(xhr.responseText);
                clockDiv.innerHTML = xhr.responseText;
            }
        }
        xhr.send();
    },1000);
</script>
</body>
</html>