code-boxx/0-JS-REMOVE-ROW-CELL.MD

## 0-JS-REMOVE-ROW-CELL.MD

      
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              0-JS-REMOVE-ROW-CELL.MD
            
          
    JAVASCRIPT REMOVE TABLE ROWS & CELLS

https://code-boxx.com/remove-table-rows-cells-javascript/
LICENSE

Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## 1-get.html
<!DOCTYPE html>
<html>
  <head>
    <title>Get Row Cell</title>
  </head>
  <body>
    <!-- (A) DUMMY TABLE -->
    <table id="demoA">
      <tr><td>First</td></tr>
      <tr><td>Second</td></tr>
      <tr><td>Third</td></tr>
      <tr><td>Forth</td></tr>
    </table>

    <!-- (B) JAVSCRIPT GET ROWS & CELLS -->
    <script>
    function getRowCell () {
      // (B1) GET TABLE
      var table = document.getElementById("demoA");

      // (B2) LOOP THROUGH ROWS & CELLS
      // TABLE.ROWS & ROW.CELLS ACT JUST LIKE ARRAYS
      for (let row of table.rows) {
        console.log(row);
        for (let cell of row.cells) {
          console.log(cell);
        }
      }

      // (B3) ACCESS INDIVIDUAL ROW & CELL
      var allRows = table.rows.length; // total number of rows
      var firstRow = table.rows[0];
      var lastRow = table.rows[allRows-1];
      var firstRowCell = firstRow.cells[0]; // first cell of first row
    }
    </script>
    <input type="button" value="Get Row Cell" onclick="getRowCell()"/>
  </body>
</html>

## 2-remove.html
<!DOCTYPE html>
<html>
  <head>
    <title>Remove Row Cell</title>
  </head>
  <body>
    <!-- (A) DUMMY TABLE -->
    <table id="demoB">
      <tr> <td>A</td> <td>B</td> </tr>
      <tr> <td>C</td> <td>D</td> </tr>
      <tr> <td>D</td> <td>E</td> </tr>
    </table>

    <!-- (B) JAVSCRIPT REMOVE ROWS & CELLS -->
    <script>
    function delRowCell () {
      // (B1) GET TABLE
      var table = document.getElementById("demoB");

      // (B2) REMOVE SECOND ROW
      table.deleteRow(1);

      // (B3) REMOVE FIRST CELL OF FIRST ROW
      var firstRow = table.rows[0];
      firstRow.deleteCell(0);
    }
    </script>
    <input type="button" value="Delete Row Cell" onclick="delRowCell()"/>
  </body>
</html>

## 3-alt.html
<!DOCTYPE html>
<html>
  <head>
    <title>Remove Row Cell</title>
  </head>
  <body>
    <!-- (A) DUMMY TABLE -->
    <table id="demoC">
      <tr> <td class="cellC">A</td> <td>B</td> </tr>
      <tr id="rowC"> <td>C</td> <td>D</td> </tr>
      <tr> <td>D</td> <td class="cellC">E</td> </tr>
    </table>

    <!-- (B) JAVSCRIPT REMOVE ROWS & CELLS -->
    <script>
    function delRowCell () {
      // (B1) REMOVE ROW BY ID
      document.getElementById("rowC").remove();

      // (B2) REMOVE CELLS BY CSS CLASS
      for (let c of document.querySelectorAll("#demoC td.cellC")) {
        c.remove();
      }
    }
    </script>
    <input type="button" value="Delete Row Cell" onclick="delRowCell()"/>
  </body>
</html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>Get Row Cell</title>
	</head>
	<body>
	<!-- (A) DUMMY TABLE -->
	<table id="demoA">
	<tr><td>First</td></tr>
	<tr><td>Second</td></tr>
	<tr><td>Third</td></tr>
	<tr><td>Forth</td></tr>
	</table>

	<!-- (B) JAVSCRIPT GET ROWS & CELLS -->
	<script>
	function getRowCell () {
	// (B1) GET TABLE
	var table = document.getElementById("demoA");

	// (B2) LOOP THROUGH ROWS & CELLS
	// TABLE.ROWS & ROW.CELLS ACT JUST LIKE ARRAYS
	for (let row of table.rows) {
	console.log(row);
	for (let cell of row.cells) {
	console.log(cell);
	}
	}

	// (B3) ACCESS INDIVIDUAL ROW & CELL
	var allRows = table.rows.length; // total number of rows
	var firstRow = table.rows[0];
	var lastRow = table.rows[allRows-1];
	var firstRowCell = firstRow.cells[0]; // first cell of first row
	}
	</script>
	<input type="button" value="Get Row Cell" onclick="getRowCell()"/>
	</body>
	</html>