如果用原生的AJAX是加载本地文件就不会出现错误.当然,这个jquery的load放在服务器上通过http加载还是支持的.也有例外比如在firefox和ie浏览器使用$.ajax加载本地html或txt文件时,不会报错. 当其他浏览器控制台弹出下面报错,表明这个不支持跨域浏览本地文件: Access to XMLHttpRequest at 'file:///F:/%E4%BB%A3%E7%A0%81/Jquery/a.txt' from origin 'null' has been block
1.前端页面使用vue中的axios请求nodejs响应.报以下错误: Failed to load http://localhost:3000/users/validate: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://loc
1.前言 静态页面 加载 <script type="module" > 报CORS 跨域错误,提示Access to script at ftp:///xxx.js from origin 'null' has been blocked by CORS policy: Cross origin requests are only supported for protocol schemes: http, data, chrome, chrome-extension, ch
首先描述下问题:需求是在请求头中加入token,我在ajax请求数据时添加了请求头‘Authorization’字段,并添加了响应的token值,在请求数据的时候浏览器报错如下: Request header field Authorization is not allowed by Access-Control-Allow-Headers 解决办法就是让后台将‘Authorization ’添加到‘Access-Control-Allow-Headers’中. 后来查资料发现问题跟跨域请求有关
XMLHttpRequest cannot load https://www.emaple.com. No 'Access-Control-Allow-Origin' header is present on the requested resource. 有时会出现这种错误,ajax进行跨域访问的时候就会报这种错 解决方法:使用jsonp跨域访问成功 $.ajax({ type: 'GET', url: 'https://www.emaple.com?interfaces', async: f