Īpašība cells

Īpašība cells glabā šūnu kolekciju td un th rindai tr. Attiecas tikai uz tabulas rindu.

Sintakse

javascripttr.cells;

Piemērs

Izejam cauri visām tabulas rindām, izmantojot īpašību rows, un katrā rindā izejam cauri tās šūnām, izmantojot īpašību cells:

html<table id="table">
  <tr>
    <td>1</td><td>2</td><td>3</td>
  </tr>
  <tr>
    <td>4</td><td>5</td><td>6</td>
  </tr>
  <tr>
    <td>7</td><td>8</td><td>9</td>
  </tr>
</table>

javascriptlet table = document.querySelector('#table');

for (let row of table.rows) {
  for (let cell of row.cells) {
    console.log(cell);
  }
}

Piemērs

Izejam cauri visām tabulas rindām, izmantojot īpašību rows un uzzinām šūnu skaitu katrā rindā:

html<table id="table">
  <tr>
    <td>1</td><td>2</td><td>3</td><td>4</td>
  </tr>
  <tr>
    <td>1</td><td>2</td><td>3</td>
  </tr>
  <tr>
    <td>1</td><td>2</td>
  </tr>
</table>

javascriptlet table = document.querySelector('#table');

for (let row of table.rows) {
  console.log(row.cells.length);
}

Piemērs

Iestatīsim fonu pirmajai šūnai:

html<table id="table">
  <tr>
    <td>1</td><td>2</td><td>3</td>
  </tr>
  <tr>
    <td>4</td><td>5</td><td>6</td>
  </tr>
  <tr>
    <td>7</td><td>8</td><td>9</td>
  </tr>
</table>

csstable, td {
  border: 1px solid black;
}

javascriptlet table = document.querySelector('#table');
table.rows[0].cells[0].style.background = 'red';

Результат:

Piemērs

Iestatīsim fonu tabulas šūnām pa diagonāli:

html<table id="table">
  <tr>
    <td>1</td><td>2</td><td>3</td>
  </tr>
  <tr>
    <td>4</td><td>5</td><td>6</td>
  </tr>
  <tr>
    <td>7</td><td>8</td><td>9</td>
  </tr>
</table>

csstable, td {
  border: 1px solid black;
}

javascriptlet table = document.querySelector('#table');
let rows = table.rows;

for (let i = 0; i < rows.length; i++) {
  rows[i].cells[i].style.background = 'red';
}

Результат:

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