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Metodo insertRow() della tabella

❮ Oggetto tabella

Esempio

Inserisci nuove righe nella prima posizione di una tabella (e inserisci un elemento <td> con del contenuto):

// Find a <table> element with id="myTable":
var table = document.getElementById("myTable");

// Create an empty <tr> element and add it to the 1st position of the table:
var row = table.insertRow(0);

// Insert new cells (<td> elements) at the 1st and 2nd position of the "new" <tr> element:
var cell1 = row.insertCell(0);
var cell2 = row.insertCell(1);

// Add some text to the new cells:
cell1.innerHTML = "NEW CELL1";
cell2.innerHTML = "NEW CELL2";

Definizione e utilizzo

Il metodo insertRow() crea un elemento <tr> vuoto e lo aggiunge a una tabella.

Il metodo insertRow() inserisce le nuove righe in corrispondenza dell'indice specificato nella tabella.

Nota: un elemento <tr> deve contenere uno o più elementi <th> o <td>.

Suggerimento: usa il metodo deleteRow() per rimuovere una riga.


Supporto del browser

Method
insertRow() Yes Yes Yes Yes Yes

Sintassi

tableObject.insertRow(index)

Valori dei parametri

Value Description
index Required in Firefox and Opera, optional in IE, Chrome and Safari. A number that specifies the position of the row to insert (starts at 0). The value of 0 results in that the new row will be inserted at the first position.

The value of -1 can also be used, this results in a new row being inserted at the last position.

This parameter is required in Firefox and Opera, but optional in Internet Explorer, Chrome and Safari.

If this parameter is omitted, insertRow() inserts a new row at the last position in Chrome, IE, Firefox and Opera, and at the first position in Safari.


Dettagli tecnici

Valore di ritorno: L'elemento <tr> inserito

Altri esempi

Esempio

Crea ed elimina righe:

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);
}

Pagine correlate

Riferimento HTML: tag HTML <tr>


❮ Oggetto tabella