使用createElement动态创建HTML对象

1.创建链接
<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.itjxue.com/","IT教学网");
</script>
2.创建DIV
<script language="javascript">
var o = document.body;
//创建DIV
function createDIV(text)
{
    var div = document.createElement("div");
    div.innerHTML = text;
    o.appendChild(div);
}
createDIV("IT教学网：http://www.itjxue.com/");
</script>
3.创建表单项
<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","ooo");
</script>
4.创建表格

<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>
注意：一定要有tbody，否则IE下不能创建表格，FF下可以！

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