Created
January 25, 2014 02:37
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Add and delete row in table with javascript
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<!DOCTYPE html> | |
<html> | |
<body> | |
<p>Click the button to return the number of cells in the table's first row.</p> | |
<table id="myTable" border="1"> | |
<tr> | |
<td>cell 1</td> | |
<td>cell 2</td> | |
<td><input type="button" value="Delete" onclick="deleteRow(this)"/></td> | |
</tr> | |
<tr> | |
<td>cell 3</td> | |
<td>cell 4</td> | |
<td><input type="button" value="Delete" onclick="deleteRow(this)"/></td> | |
</tr> | |
</table> | |
<br> | |
<input id='cell1' type="text"/> | |
<input id='cell2' type="text"/> | |
<button onclick="insRow()">Add</button> | |
<button onclick="myFunction()">Submit</button> | |
<p id="demo"></p> | |
<script> | |
//For delete row | |
function deleteRow(r) | |
{ | |
var i=r.parentNode.parentNode.rowIndex; | |
document.getElementById('myTable').deleteRow(i); | |
} | |
//for insert row | |
function insRow() | |
{ | |
var x=document.getElementById('myTable').insertRow(document.getElementById('myTable').rows.length); | |
var y= x.insertCell(0); | |
var z= x.insertCell(1); | |
var p= x.insertCell(2); | |
y.innerHTML=document.getElementById("cell1").value; | |
z.innerHTML=document.getElementById("cell2").value; | |
p.innerHTML='<input type="button" value="Delete" onclick="deleteRow(this)"/>'; | |
} | |
//for get value from row | |
function myFunction() | |
{ | |
//for <td> | |
var x = document.getElementById("myTable").rows[0].cells.length; | |
document.getElementById("demo").innerHTML="Found " + x + " cells in the first td element."; | |
var arr = new Array(); | |
//for <tr> | |
//var x = document.getElementById("myTable").rows.length; | |
//document.getElementById("demo").innerHTML=document.getElementById("myTable").rows[0].cells[1].innerHTML; | |
//alert(document.getElementById("myTable").rows[0].cells[1].innerHTML); | |
for(i=0;i<document.getElementById("myTable").rows.length;i++){ | |
//s = "test-"+i; | |
arr[i]={"cell1":document.getElementById("myTable").rows[i].cells[0].innerHTML,"cell2":document.getElementById("myTable").rows[i].cells[1].innerHTML}; | |
} | |
var answer = confirm ("Are you sure?") | |
var json = {errorCode:1000,message:'success',data:arr}; | |
if (answer){ | |
alert(JSON.stringify(json)); | |
} | |
else{ | |
} | |
} | |
</script> | |
</body> | |
</html> |
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