var xhr = new XMLHttpRequest();
xhr.open('GET', '/url', true);
xhr.send();
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
response.setContentType("text/plain;charset=UTF-8");
response.setHeader("Cache-Control", "no-cache");
out.println("Hello World!");
%>
以上代码中没有任何同步阻塞和等待处理。
$.ajax({
url: '/url',
method: 'GET',
success: function(data) {
console.log(data);
}
});