console 命令行工具 X clear

console

var xmlhttp = null;
    function createXMLHttpRequest(){
        if(window.ActiveXObject){           
            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
        }else if(window.XMLHttpRequest){     
            xmlhttp = new XMLHttpRequest();
        }
    }
    
    function startRequest(){
        createXMLHttpRequest();
        var url = "index.php";
        xmlhttp.open("get",url,true); 
        xmlhttp.onreadystatechange = function(){
            if(xmlhttp.readyState == 4 && xmlhttp.status == 200){
                alert(xmlhttp.responseText);
            }
        }
        xmlhttp.send(null);
    }

<body>
    <button name="button" onclick="startRequest();" />获取服务端文本</button>
</body>

本项目引用的自定义外部资源

jquery.js