Ajax小记
使用Ajax的简单函数var xmlhttp; function useAjax(url, func, data) { if (window.XMLHttpRequest) { xmlhttp = new XMLHttpRequest(); } else { xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = func; xmlhttp.open("POST", url, true); //Send the proper header information along with the requestxmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");xmlhttp.setRequestHeader("Content-length", data.length);xmlhttp.setRequestHeader("Connection", "close"); xmlhttp.send(data);} function asynVisit(url) {var data = "name=smith&sex=male"; useAjax(url, function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { alert(xmlhttp.responseText); } }, data); }
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