本文執行個體講述了JavaScript基於Ajax實現不重新整理在網頁上動態顯示檔案內容的方法。分享給大家供大家參考。具體如下：
下面的JS代碼是一個最基礎的JS的ajax實現，可以動態顯示伺服器上的檔案ajax_info.txt檔案的內容
<!DOCTYPE html><html><head><title>sharejs.com</title><script>function loadXMLDoc(){var xmlhttp;if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); }else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } }xmlhttp.open("GET","ajax_info.txt",true);xmlhttp.send();}</script></head><body><div id="myDiv"><h2>Let AJAX change this text</h2></div><button type="button" onclick="loadXMLDoc()">Change Content</button></body></html>
希望本文所述對大家的Ajax程式設計有所協助。
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