node--learning-notes
/
15-封装ajax方法.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        // // 原生js利用ajax获取数据
        // var oReq = new XMLHttpRequest()
        // // 当请求加载成功之后调用指定的函数
        // oReq.onload=function function_name (){
        //     console.log(oReq.responseText);
        // }
        // // oReq.open('get','请求路径',true)
        // oReq.open('get','../resource/data.json',true)
        // oReq.send()

        // 基于原生 XMLHttpRequest封装get方法
        function getAjax(url,callback) {
            var oReq = new XMLHttpRequest()
            oReq.onload=function function_name (){
                // console.log(oReq.responseText);
                callback(oReq.responseText)
            }
            // oReq.open('get','../resource/data.json',true)
            oReq.open('get',url,true)
            oReq.send()
        }

        getAjax('../resource/data.json',(data)=>{
            console.log(data);
        })
    </script>
</head>
<body>

</body>
</html>