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?1、用javascript来实现奇/偶行颜色交替：

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function formatTable()
	{
                                var oTable = document.getElementById('oTable');//获取table对象
		var rows=oTable.rows;
		for(var i=0;i<rows.length;i++)
		{
			if(i%2==0) {
				rows[i].style.backgroundColor = "#FFFFFF";
				rows[i].style.color = "#000000";
			} else {
				rows[i].style.backgroundColor = "#f7f7f7";
				rows[i].style.color = "#000000";
			}
		}
	}

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2、javascript动态新增行

function createTr()
{
	var tab = document.getElementById("tab");
	var tr = tab.insertRow();//create tr
	//create td
	var td1 = tr.insertCell(0);
	td1.style.textAlign = "center";
	td1.innerHTML = '<img src="../imgs/bt_minus.gif" width="14" height="10" border="0" onclick="DelRow();" alt="删除" class="mouseHand"/>';
	var td2 = tr.insertCell(1);
	td2.style.textAlign = "center";
	td2.innerHTML = '<input type="text" name="tel" size="13" value=""/>';
	var td3 = tr.insertCell(2);
	td3.style.textAlign = "center";
	td3.innerHTML = '<input type="text" name="code1" size="13"/>';
	var td4 = tr.insertCell(3);
	td4.style.textAlign = "center";
	td4.innerHTML = '<input type="text" name="address" size="48"/>';
	var td5 = tr.insertCell(4);
	td5.style.textAlign = "center";
	td5.innerHTML = '<input type="text" name="code2" size="13"/>';
	              
}

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3、javascript动态删除一行

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function DelRow()
{
	var iIndex = window.event.srcElement.parentElement.parentElement.rowIndex;
	var tab = document.getElementById("tab");
	if(iIndex==-99999)
	  alert("系统提示：没有选中行号!");
	else{
		 tab.deleteRow(iIndex);
	}
	 
}

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