添加HTML内容与文本内容以前用的是innerHTML与innerText方法，最近发现还有insertAdjacentHTML和insertAdjacentText方法，这两个方法更灵活，可以在指定的地方插入html内容和文本内容。
insertAdjacentHTML方法：在指定的地方插入html标签语句
原型：insertAdajcentHTML(swhere,stext)
参数：
swhere: 指定插入html标签语句的地方，有四种值可用：
1. beforeBegin: 插入到标签开始前
2. afterBegin:插入到标签开始标记之后
3. beforeEnd:插入到标签结束标记前
4. afterEnd:插入到标签结束标记后
stext：要插入的内容
1 <html>
2 <head>
3 <script language="javascript">
4 function myfun(){
5 var obj = document.getElementById("btn1");
6 obj.insertAdjacentHTML("afterEnd","<br><input name="txt1">");
7 }
8 </script>
9 </head>
10 <body>
11 <input name="txt">
12 <input id="btn1" name="btn1" type="button" value="更多" onclick="myfun()">
13 </body>
14 </html>
************************************************************************************2 <head>
3 <script language="javascript">
4 function myfun()
{5 var obj = document.getElementById("btn1");
6 obj.insertAdjacentHTML("afterEnd","<br><input name="txt1">");
7 }
8 </script>
9 </head>
10 <body>
11 <input name="txt">
12 <input id="btn1" name="btn1" type="button" value="更多
" onclick="myfun()">13 </body>
14 </html>
1 <html>
2 <head>
3 <title>24.htm insertAdjacentHTML插入新内容</title>
4 <script language="jscript">
5 function addsome()
6{
7 document.all.paral.insertAdjacentHTML("afterBegin","<h1>在文本前容器内插入内容</h1>");
8 document.all.paral.insertAdjacentHTML("beforeEnd","<h2>在文本后容器内插入内容</h2>");
9 document.all.paral.insertAdjacentHTML("beforeBegin","<h4>在文本前容器外插入内容</h1>");
10 document.all.paral.insertAdjacentHTML("afterEnd","<h5>在文本后容器外插入内容</h2>");
11 }
12 </script>
13 </head>
14 <body onload="addsome()">
15 <div id="paral" style="fontsize:6;color='#ff00ff'">原来的内容</div><hr>
16 </body>
17 </html>
2 <head>
3 <title>24.htm insertAdjacentHTML插入新内容</title>
4 <script language="jscript">
5 function addsome()
6
{7 document.all.paral.insertAdjacentHTML("afterBegin","<h1>在文本前容器内插入内容</h1>");
8 document.all.paral.insertAdjacentHTML("beforeEnd","<h2>在文本后容器内插入内容</h2>");
9 document.all.paral.insertAdjacentHTML("beforeBegin","<h4>在文本前容器外插入内容</h1>");
10 document.all.paral.insertAdjacentHTML("afterEnd","<h5>在文本后容器外插入内容</h2>");
11 }
12 </script>
13 </head>
14 <body onload="addsome()">
15 <div id="paral" style="fontsize:6;color='#ff00ff'">原来的内容</div><hr>
16 </body>
17 </html>
**********************************************************************************
1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
2 <HTML>
3 <HEAD>
4 <TITLE> New Document </TITLE>
5 <META NAME="Generator" CONTENT="EditPlus">
6 <META NAME="Author" CONTENT="">
7 <META NAME="Keywords" CONTENT="">
8 <META NAME="Description" CONTENT="">
9 </HEAD>
10 <BODY>
11 <script>
12 var num=0;
13 var No_sys=0;
14 function Add_button(){
15 if(No_sys<8){
16 c_input.insertAdjacentHTML("beforeEnd","<div id="bar"+num+"" oncontextmenu="Remove_button(bar"+num+");return false" style="background:red;40;height:20">"+num+"</div>");
17 num++;
18 No_sys++;
19 }
20 }
21 function Remove_button(obj){
22 obj.removeNode(true);
23 No_sys--;
24 }
25 </script>
26 <input type="button" onclick="Add_button()" value="动态加">
27 <input type="button" onclick="alert(c_input.innerHTML)" value="看">
28 <div id="c_input">
29 </div>
30 </BODY>
31 </HTML>
2 <HTML>
3 <HEAD>
4 <TITLE> New Document </TITLE>
5 <META NAME="Generator" CONTENT="EditPlus">
6 <META NAME="Author" CONTENT="">
7 <META NAME="Keywords" CONTENT="">
8 <META NAME="Description" CONTENT="">
9 </HEAD>
10 <BODY>
11 <script>
12 var num=0;
13 var No_sys=0;
14 function Add_button()
{15 if(No_sys<8)
{16 c_input.insertAdjacentHTML("beforeEnd","<div id="bar"+num+"" oncontextmenu="Remove_button(bar"+num+");return false" style="background:red;40;height:20">"+num+"</div>");
17 num++;
18 No_sys++;
19 }
20 }
21 function Remove_button(obj)
{22 obj.removeNode(true);
23 No_sys--;
24 }
25 </script>
26 <input type="button" onclick="Add_button()" value="动态加">
27 <input type="button" onclick="alert(c_input.innerHTML)" value="看">
28 <div id="c_input">
29 </div>
30 </BODY>
31 </HTML>