javascript 获取XHR请求

Posted 2021-05-03

function request(){
        var request = new XMLHttpRequest();
        request.timeout = 30000;
        request.onreadystatechange = function (o){
            if(request.readyState === XMLHttpRequest.DONE && request.status === 200) {
                var d = eval('new Object(' + request.responseText + ')');
               
            }else if(request.readyState === XMLHttpRequest.DONE && request.status !== 200){
                console.log('ERROR REQUEST STATUS = ' + request.status);
            }
        };

        request.open('GET',"http://");
        request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        request.send();
    }