codice HTML:<script type="text/javascript"> function countpara(){ var totalpara = document.getElementsByName("primo").length; alert("total tag che si chiamano 'primo': "+totalpara); var totalpara = document.getElementsByTagName("td").length; alert("total td tags are: "+totalpara); } </script> <table> <tr> <td name="primo" value="abcdefg">This is a pragraph</td> <td>Here we are going to count total number of paragraphs by getElementByTagName() method.</td> <td>Let's see the simple example</td> </tr> </table> <button onclick="countpara()">count paragraph</button>