Is it possible for XHR HEAD requests to not follow redirects (301 302)(XHR HEAD 请求是否有可能不遵循重定向 (301 302))

XMLHttpRequest cannot load, No #39;Access-Control-Allow-Origin#39; header is present on the requested resource(XMLHttpRequest 无法加载，请求的资源上不存在“Access-Control-Allow-Origin标头)

How to get response url in XMLHttpRequest?(如何在 XMLHttpRequest 中获取响应 url?)

quot;Origin null is not allowed by Access-Control-Allow-Originquot; in Chrome. Why?(“Access-Control-Allow-Origin 不允许 Origin null在铬.为什么?)

Getting BLOB data from XHR request(从 XHR 请求中获取 BLOB 数据)

Does an HTTP Status code of 0 have any meaning?(HTTP 状态码 0 是否有任何意义?)

Sending a JSON to server and retrieving a JSON in return, without JQuery(将 JSON 发送到服务器并返回 JSON，无需 JQuery)

XMLHttpRequest status 0 (responseText is empty)(XMLHttpRequest 状态 0(responseText 为空))

Pure JavaScript Send POST Data Without a Form(纯 JavaScript 发送没有表单的 POST 数据)

Retrieving binary file content using Javascript, base64 encode it and reverse-decode it using Python(使用 Javascript 检索二进制文件内容，base64 对其进行编码并使用 Python 对其进行反向解码)

Find out how long an Ajax request took to complete(找出完成一个 Ajax 请求需要多长时间)

document.write() overwriting the document?(document.write() 覆盖文档?)

How can I send the quot;amp;quot; (ampersand) character via AJAX?(如何发送“amp;?通过 AJAX 的(和号)字符?)

Method for streaming data from browser to server via HTTP(通过 HTTP 将数据从浏览器流式传输到服务器的方法)

how do I access XHR responseBody (for binary data) from Javascript in IE?(如何在 IE 中从 Javascript 访问 XHR responseBody(用于二进制数据)?)

Empty responseText from XMLHttpRequest(来自 XMLHttpRequest 的空 responseText)

How do I know if jQuery has an Ajax request pending?(我如何知道 jQuery 是否有待处理的 Ajax 请求?)

$.ajax call working fine in IE8 and Doesn#39;t work in firefox and chrome browsers($.ajax 调用在 IE8 中运行良好，但在 Firefox 和 chrome 浏览器中不起作用)

WebKit quot;Refused to set unsafe header #39;content-length#39;quot;(WebKit “拒绝设置不安全的标头‘内容长度’)

jQuery ajax with ES6 Promises(带有 ES6 Promises 的 jQuery ajax)