Javascript 在for循环中使用DOM创建行时,如何获取rowIndex 在HTML表中添加/删除动态行 函数addRow(tableID){ 对于(var n=0;n
,您始终可以使用“row.rowIndex”属性获取所单击行的索引Javascript 在for循环中使用DOM创建行时,如何获取rowIndex 在HTML表中添加/删除动态行 函数addRow(tableID){ 对于(var n=0;n,javascript,dom,Javascript,Dom,,您始终可以使用“row.rowIndex”属性获取所单击行的索引 <HTML> <HEAD> <TITLE> Add/Remove dynamic rows in HTML table </TITLE> <SCRIPT language="javascript"> function addRow(tableID) { for(var n=0;n<3;n++){ var
<HTML>
<HEAD>
<TITLE> Add/Remove dynamic rows in HTML table </TITLE>
<SCRIPT language="javascript">
function addRow(tableID) {
for(var n=0;n<3;n++){
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var cell1 = row.insertCell(0);
var element1 = document.createElement("input");
element1.type = "checkbox";
cell1.appendChild(element1);
var cell2 = row.insertCell(1);
cell2.innerHTML = rowCount + 1;
cell2.attachEvent("onclick",function(){ alert("inside test")
var rows= cell2.parentNode;
alert(rows.rowIndex); });
var cell3 = row.insertCell(2);
var element2 = document.createElement("input");
element2.type = "text";
cell3.appendChild(element2);
element2.attachEvent("onclick",function(){ alert("event triggered"); });
}
}
function deleteRow(tableID) {
try {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
for(var i=0; i<rowCount; i++) {
var row = table.rows[i];
var chkbox = row.cells[0].childNodes[0];
if(null != chkbox && true == chkbox.checked) {
var index = table.rowIndex;
alert("index"+index);
//table.deleteRow(i);
//rowCount--;
i--;
}
}
}catch(e) {
alert(e);
}
}
</SCRIPT>
</HEAD>
<BODY>
<INPUT type="button" value="Add Row" onclick="addRow('dataTable')" />
<INPUT type="button" value="Delete Row" onclick="deleteRow('dataTable')" />
<TABLE id="dataTable" width="350px" border="1">
<TR>
<TD><INPUT type="checkbox" name="chk"/></TD>
<TD> 1 </TD>
<TD> <INPUT type="text" /> </TD>
</TR>
</TABLE>
</BODY>
</HTML>
在HTML表中添加/删除动态行
window.onload=函数(){
var table=document.getElementsByTagName('table')[0];
对于(var j=0;j
<HTML>
<HEAD>
<TITLE> Add/Remove dynamic rows in HTML table </TITLE>
<SCRIPT language="javascript">
window.onload = function(){
var table = document.getElementsByTagName('table')[0];
for(var j=0; j<5; j++){
var row = table.insertRow(table.rows.length);
var cell1 = row.insertCell(0);
cell1.innerHTML = 'getIndex';
var cell2 = row.insertCell(1);
cell2.innerHTML = 'remove';
}
var rows = document.getElementsByTagName('tr');
for(var i=0; i<rows.length; i++){
rows[i].cells[0].onclick = function(){
alert(this.parentElement.rowIndex);
}
rows[i].cells[1].onclick = function(){
this.parentElement.parentElement.deleteRow(this.parentElement.rowIndex);
}
}
}
</SCRIPT>
</HEAD>
<BODY>
<table>
</table>
</BODY>
</HTML>