📄 pat1_readmore.html

📁 ajax下的5中编程模式对设计方面有很大的帮助

💻 HTML

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<html><script>var req = null;function processReqChange() {  if (req.readyState == 4 && req.status == 200 ) {    var dobj = document.getElementById( "moreSpan" );    dobj.innerHTML = req.responseText;  }}function loadUrl( url ) {  if(window.XMLHttpRequest) {    try { req = new XMLHttpRequest();    } catch(e) { req = false; }  } else if(window.ActiveXObject) {    try { req = new ActiveXObject('Msxml2.XMLHTTP');    } catch(e) {    try { req = new ActiveXObject('Microsoft.XMLHTTP');    } catch(e) { req = false; }  } }  if(req) {    req.onreadystatechange = processReqChange;    req.open('GET', url, true);    req.send('');  }}function getMore(){  var url = window.location.toString();  url = url.replace( /pat1_readmore.html/, 'pat1_readmore_content.html' );  loadUrl( url );}</script><body><h1>Walking the dog</h1>I took my dog for a walk today. <span id="moreSpan"><a href="javascript: void getMore()">Read more...</a></span></body></html>

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