javascript---使用createElement动态创建HTML对象.窗体传值

天云上人 · 发表于 2009-9-30 16:04:15

1.创建链接：
<BODY>
<script language="JavaScript">
var o = document.body;
//创建链接
function createA(url,text)
{
var a = document.createElement("a");
a.href = url;
a.innerHTML = text;
a.style.color = "red";
o.appendChild(a);
}
createA("http://www.hao123.com/","hao");
</script>
</BODY>

2.创建DIV：
<body>
<script language="javascript">
var o = document.body;
//创建DIV
function createDIV(text)
{
var div = document.createElement("div");
div.innerHTML = text;
div.style.background = "red";
o.appendChild(div);
}
createDIV("div");
</script>
</body>

3.创建表单项：
<BODY>
<script language="javascript">
var o = document.body;
//创建表单项
function createInput(sType,sValue)
{
var input = document.createElement("input");
input.type = sType;
input.value = sValue;
o.appendChild(input);
}
createInput("button","aa");
</script>
</BODY>

4.创建表格：
<BODY>
<script language="javascript">
var o = document.body;
//创建表格
function createTable(w,h,r,c)
{
var table = document.createElement("table");
var tbody = document.createElement("tbody");
table.width = w;
table.height = h;
table.border = 1;
for(var i=1;i<=r;i++)
{
      var tr = document.createElement("tr");
      for(var j=1;j<=c;j++)
      {
         var td = document.createElement("td");
         td.innerHTML = i + "" + j;
         //td.appendChild(document.createTextNode(i + "" + j));
         td.style.color = "#FF0000";
         tr.appendChild(td);
      }
      tbody.appendChild(tr);
}
table.appendChild(tbody);
o.appendChild(table);
}
createTable(270,270,9,9);
</script>
</BODY>

5.创建按钮,文本框并窗体传值(HTMLPage1.htm)：
<script type="text/javascript">

      var index = 2;
      function addEle() {

         var txt = document.createElement("input");
         txt.setAttribute("type", "input");
         txt.setAttribute("id", "txt" + index);
         var btn = document.createElement("input");
         btn.setAttribute("type", "`");
         btn.setAttribute("id", "btn" + index);
         btn.setAttribute("value", "取值");
         btn.setAttribute("onclick", "openWindow()");
         var br = document.createElement("br");
         document.getElementById("content").appendChild(txt);
         document.getElementById("content").appendChild(btn);
         document.getElementById("content").appendChild(br);
         index++;
      }
      function openWindow() {
         var returnVal = window.showModalDialog("HTMLPage2.htm", "", "");
         var srcID = window.event.srcElement.id;//触发事件的对象.
         var ind = srcID.substr(3,srcID.length);
         for (var i in returnVal) {
            document.getElementById("txt" + ind).value += returnVal+"  ";
         }
      }
</script>

HTMLPage2.htm
<script type="text/javascript">

      function sub() {
         var arr = document.getElementsByTagName("input");
         var val = new Array();
         for (var i in arr) {
            if (arr.type == "checkbox") {
                  if (arr.checked) {
                     val[val.length] = arr.value;
                  }
            }
         }
         window.returnValue = val;
         window.close();
      }

</script>

出处：http://blog.csdn.net/fxh_hua/archive/2009/08/11/4433682.aspx

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javascript---使用createElement动态创建HTML对象.窗体传值

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