javascript - 记录XHR的请求负载

Question

每当发出 XHR 请求有效负载时，我想在 Chrome 的控制台中打印有效负载，我该如何执行此操作？任何和所有的想法都非常受欢迎。

Answer 1

也许我没有理解你的问题，要打印变量来控制台你需要下一个代码

const method = 'POST';
const requestUrl = '/';
// Payload as a JSON object
const payload = { name: 'test' };
// Form the http request as a JSON type
const xhr = new XMLHttpRequest();
xhr.open(method, requestUrl, true);
xhr.setRequestHeader('Content-Type', 'application/json');

// When the request comes back, handle the response
xhr.onreadystatechange = () => {
    if (xhr.readyState === XMLHttpRequest.DONE) {
        const statusCode = xhr.status;
        const responseReturned = xhr.responseText;
        // Print the response to the chrome console
        console.log(responseReturned);
    }
};

// Send the payload as JSON
const payloadString = JSON.stringify(payload);
// Print the payloadString to chrome console
console.log(payloadString);
xhr.send(payloadString);