<!DOCTYPE html> <html> <head> <meta charset="utf-8"/> <tilte>uploadFile</title> <script> function uploadFile(){ var formData = new FormData(); var files = document.getElementById('file').files; var file
html5谷歌流浪器报错:jquery.js:8672 Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/. 解决方法: 所有的a标签加上:javascript:void(0) <a href="
XMLHttpRequest对象是Ajax技术的核心.在Internet Explorer 5中,XMLHttpRequest对象以ActiveX对象引入,被称之为XMLHTTP,它是一种支持异步请求的技术.后来Mozilla.Netscape.Safari.Firefox和其他浏览器也提供了XMLHttpRequest类,虽然这些浏览器都提供了XMLHttpRequest类,但它们创建XMLHttpRequest类的方法并不相同.XMLHttpRequest使我们可以使用JavaScript向
示例Ajax: <%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"
function createXHR(){ var xhr = null; if(window.XMLHttpRequest){//判断当前浏览器是否支持XMLHttpRequest xhr = new XMLHttpRequest(); }else if(window.XMLHttpRequest){//判断当前浏览器是否支持XMLHttpRequest,这是对于IE浏览器的判断 try{ xhr = new ActiveXObject("Msxml2.XMLHTTP");//IE6