如何使用Javascript在HTML中的表上创建新行

How can i create a new row on a table in HTML using Javascript?

本文关键字:创建 新行 何使用 Javascript HTML      更新时间:2023-09-26

我正在尝试使用javascript函数创建新行。我已经复习了之前回答的所有问题,但都没有帮助。如果这有帮助的话,这是我的代码:

var deleteRow = document.getElementsByClassName('gone');
function removeParent(){
  this.parentNode.parentNode.remove();
}
for(var i = 0; i < deleteRow.length; i++) {
  deleteRow[i].addEventListener("click", removeParent);
}
var addRow = document.getElementsByClassName('add');
function addRow(){
  var deleteRow = table.insertRow(0);
}
for(var i = 0; i < addRow.length; i++) {
  addRow[i].addEventListener("click", addRow);
}

尝试此code

function myCreateFunction() {
    var table = document.getElementById("myTable");
    var row = table.insertRow(0);
    var cell1 = row.insertCell(0);
    var cell2 = row.insertCell(1);
    cell1.innerHTML = "NEW CELL1";
    cell2.innerHTML = "NEW CELL2";
}
function myDeleteFunction() {
    document.getElementById("myTable").deleteRow(0);
}

使用这个html

<p>Click the buttons to create and delete row(s) for the table.</p>
<table id="myTable">
   <tr>
      <td>Row1 cell1</td>
      <td>Row1 cell2</td>
   </tr>
   <tr>
      <td>Row2 cell1</td>
      <td>Row2 cell2</td>
   </tr>
   <tr>
      <td>Row3 cell1</td>
      <td>Row3 cell2</td>
   </tr>
</table>
<button onclick="myCreateFunction()">Create row</button>
<button onclick="myDeleteFunction()">Delete row</button>