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table_selection
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width"> <title>Document</title> <!-- <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css"> <script src="https://code.jquery.com/jquery-1.12.4.js"></script> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> --> </head> <body> <table id="tblDemo" border="1"> <thead> <tr> <th>Name</th> <th>Age</th> </tr> </thead> <tbody> <tr><td>John</td><td>21</td></tr> <tr><td>David</td><td>22</td></tr> <tr><td>Bob</td><td>20</td></tr> <tr><td>Mike</td><td>24</td></tr> </tbody> </table> <script> var allTableData = document.getElementById("tblDemo"); var totalNumbeOfRows = allTableData.rows.length; console.log("Total Number Of Rows="+totalNumbeOfRows); </script> </body> </html>