javascript

Example use of insertRow and deleteRow in the table object


<!DOCTYPE html>
<html>
<head>
<title>table1.html</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">

<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script language = "javascript" type = "text/javascript">
<!--
function test1(){
//Determines whether the insertion number already exists
for(var i=0;i<mytable.rows.length;i++){
var eachRow = mytable.rows[i];
if(eachRow.cells[0].innerText == no.value){
window.alert(" The number already exists! ");
return ;
}
}
//Gets the data in the form
var newTableRow = mytable.insertRow(mytable.rows.length);
newTableRow.insertCell(0).innerText = no.value;
newTableRow.insertCell(1).innerText = name1.value;
newTableRow.insertCell(2).innerText = nickName.value;
}

function test2(){
mytable.deleteRow(mytable.rows.length-1);
}
//-->
</script>
</head>

<body>
<h1> Heroes list </h1>
<table id = "mytable" border = "1">
<tr><td> ranking </td><td> The name </td><td> The nickname </td></tr>
<tr><td>1</td><td> Sung river </td><td> In Hong Kong </td></tr>
<tr><td>2</td><td> Jun-yi lu </td><td> Jade kirin </td></tr>
</table>
<h1> Please enter a new hero </h1>
 Serial number <input id = "no" type = "text" value = ""><br/>
 The name <input id = "name1" type = "text" value = ""><br/>
 The nickname <input id = "nickName" type = "text" value = ""><br/>
<input id = "tianjia" type = "button" value = " add " onclick = "test1()">
<input type = "button" value = " Delete the last line " onclick = "test2()"/>
</body>
</html>