摘要:
ajax的运行步骤: var info=""; //创建对象 var xhr=new XMLHttpRequest(); //处理返回值 xhr.onreadystatechange = function(){ //判断是否加载完成 if(xhr.readyState == 4){ if(xhr.r 阅读全文
摘要:
<!doctype html> <html> <head> <meta charset="utf-8"> <title>无标题文档</title> <link rel="stylesheet" type="text/javascript" href="../js/jisuanqi.js"> </he 阅读全文