<script type="text/javascript">var id= document.getElementById("id");var btn = document.createElement("input");btn.type = "button";btn.value = "这是测试加载的小例子";var inbtn= id.appendChild(btn);</script>

<script type="text/javascript">var board = document.getElementById("board");var e3 = document.createElement("input");e4.setAttribute("type", "text");e4.setAttribute("name", "q");e4.setAttribute("value", "使用setAttribute");e4.setAttribute("onclick", "javascript:alert('This is a test!');");var object = board.appendChild(e3);
</script>

<script type="text/javascript">var oTest = document.getElementById("test");var newNode = document.createElement("p");newNode.innerHTML = "This is a test";//测试从这里开始//appendChild方法：oTest.appendChild(newNode);//insertBefore方法：oTest.insertBefore(newNode,null);
</script>

<script type="text/javascript">var oTest = document.getElementById("test");var refChild = document.getElementById("x1");var newNode = document.createElement("p");newNode.innerHTML = "This is a test";oTest.insertBefore(newNode,refChild);
</script>

<script type="text/javascript">var oTest = document.getElementById("test");var refChild = document.getElementById("x1");var newNode = document.createElement("p");newNode.innerHTML = "This is a test";oTest.insertBefore(newNode,refChild.nextSibling);
</script>

<script type="text/javascript">var oTest = document.getElementById("test");var newNode = document.createElement("p");newNode.innerHTML = "This is a test";oTest.insertBefore(newNode,oTest.childNodes[0]);
</script>

//创建img对象var newspan = document.createElement("img");//创建img对象
//设置img对象css样式newspan.style.position = "absolute";newspan.style.right=0;newspan.cssFloat='right';newspan.style.right=0;newspan.style.top="31px";newspan.style.cursor="pointer";newspan.src = 'http://lvyou.elong.com/static/swfupload/images/detele.gif';
//设置img对象onclick newspan.onclick = function() {if (confirm('确认要删除图片吗')){//既删除数据又删除divvar pflag = this.parentNode;var url2 = "xxx?action=delete&from_ajax=1&pid=" + this.parentNode.id;var req = (window.XMLHttpRequest) ? new XMLHttpRequest() : (window.ActiveXObject ? new ActiveXObject('Microsoft.XMLHTTP') : false);if (!req) exit;var method = "GET";req.open(method,url2,true);req.onreadystatechange = function () {if (req.readyState == 4) {if(req.status == 200) {//既删除数据又删除div//alert(req.responseText);if (req.responseText){pflag.parentNode.removeChild(pflag);}else{alert("图片删除失败");}}else{alert("There was a problem with the request " + req.status);}}}req.send(url2);}}
//接入domdocument.getElementById(pid).appendChild(newspan);

//创建TEXTAREA对象var newTextElement = document.createElement("textarea");newTextElement.name = pid+"[description]";newTextElement.rows = 5;newTextElement.cols = 20;document.getElementById(pid).appendChild(newTextElement);

//创建input对象insertBefore实例var newElement = document.createElement("input");newElement.name = pid+"[title]";newElement.type= "text";newElement.size= 9;newElement.value= '标题';newElement.onclick = function() {if (this.value=='标题') {this.value='';}}    document.getElementById(pid).insertBefore(newElement, document.getElementById(pid).childNodes[0]);var newElementDiv = document.createElement("div");newElementDiv.className = 'search-con';var newDidElement = document.createElement("input");newDidElement.name =  pid+"_dids[]";newDidElement.className= "_dests";newDidElement.type= "text";newDidElement.size= 9;***newDidElement.setAttribute("rel",1); //如果直接赋值不能实现，使用setAttribute方法可以实现newElementDiv.appendChild(newDidElement);document.getElementById(pid).appendChild(newElementDiv);var newIdElement = document.createElement("input");newIdElement.type= "hidden";newIdElement.name =  pid+"[pid]";newIdElement.value = pid.substring(3);document.getElementById(pid).appendChild(newIdElement);}