<html>
<head>
<title>test page</title>
<script type='text/javascript'>
<!--
function createTable() {
var t = document.createElement('table');
for (var i = 0; i < 2000; i++) {
var r = t.insertRow();
for (var j = 0; j < 5; j++) {
var c = r.insertCell();
c.innerHTML = i + ',' + j;
}
}
document.getElementById('table1').appendChild(t);
t.setAttribute('border', '1');
}
function createTable2() {
var t = document.createElement('table');
var b = document.createElement('tbody');
for (var i = 0; i < 2000; i++) {
var r = document.createElement('tr');
for (var j = 0; j < 5; j++) {
var c = document.createElement('td');
var m = document.createTextNode(i + ',' + j);
c.appendChild(m);
r.appendChild(c);
}
b.appendChild(r);
}
t.appendChild(b);
document.getElementById('table1').appendChild(t);
t.setAttribute('border', '1');
}
function createTable3() {
var data = '';
data += '<table border=1><tbody>';
for (var i = 0; i < 2000; i++) {
data += '<tr>';
for (var j = 0; j < 5; j++) {
data += '<td>' + i + ',' + j + '</td>';
}
data += '</tr>';
}
data += '</tbody><table>';
document.getElementById('table1').innerHTML = data;
}
function createTable4() {
var data = new Array();
data.push('<table border=1><tbody>');
for (var i = 0; i < 2000; i++) {
data.push('<tr>');
for (var j = 0; j < 5; j++) {
data.push('<td>' + i + ',' + j + '</td>');
}
data.push('</tr>');
}
data.push('</tbody><table>');
document.getElementById('table1').innerHTML = data.join('');
}
function showFunctionRunTime(f) {
var t1 = new Date();
f();
var t2 = new Date();
alert(t2 - t1);
}
//-->
</script>
</head>
<body>
<div id="table1" style="border: 1px solid black">
</div>
<script>
showFunctionRunTime(createTable);
showFunctionRunTime(createTable2);
showFunctionRunTime(createTable3);
showFunctionRunTime(createTable4);
</script>
</body>
</html>
<table id=mxh border=1>
<tr>
<td>第1行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">刪除本行</td>
</tr>
<tr>
<td>第2行</td><td onclick="deleteRow('mxh',this.parentElement.rowIndex)">刪除本行</td>
</tr>
</table>
<script>
function deleteRow (tableID, rowIndex) {
var table =document.all[tableID]
table.deleteRow(rowIndex);
}
function getRowNum(tableID){
var tab = document.all[tableID]
//表格行數(shù)
var rows = tab.rows.length ;
//表格列數(shù)
var cells = tab.rows.item(0).cells.length ;
}
</script>
<table id=mxh border=1>
<tr>
<td>第1行</td><td onclick="deleteRow(this.parentElement)">刪除本行</td>
</tr>
<tr>
<td>第2行</td><td onclick="deleteRow(this.parentElement)">刪除本行</td>
</tr>
</table>
<script>
function deleteRow (obj) {
obj.parentElement.removeChild(obj);
}
</script>
