JavaScript traversal table
1. Description
Iterate through a row and column in a table and print its value
2. Implement source code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JavaScript traversal table</title> <style type="text/css"> tr td,tr th{ border:#CCC 1px solid; } </style> <script type="text/javascript"> /** * JavaScript traversal table */ function eachTableRow() { //Get table sequence number var tab=document.getElementById("tab"); //Get row number var rows=tab.rows; //Transip row for(var i=1;i<rows.length;i++) { //Transip table column for(var j=0;j<rows[i].cells.length;j++) { //Print the value of a certain row and column alert("th"+(i+1)+" row, the value of the "+(j+1)+" column is:"+rows[i].cells[j].innerHTML); } } } </script> </head> <body> <table id="tab" cellpadding="0" cellpacing="0"> <tr style="border:#CCC 1px solid;"> <th>Student number</th> <th>Age</th> <th>Gender</th> </tr> <tr> <td>2014010101</td> <td>Zhang Sisi</td> <td>20</td> <td>Female</td> </tr> <tr> <td>2014010102</td> <td>Lisan</td> <td>21</td> <td>Male</td> </tr> <tr> <td>2014010103</td> <td>Wang Yu</td> <td>22</td> <td>Female</td> </tr> <tr> <td>2014010104</td> <td>Julie</td> <td>23</td> <td>Male</td> </tr> </table> <input type="button" value="traversal" onclick="eachTableRow()"/> </body> </html>3. Achieve results
(1) Initialization
(2) Click "Travel"
(3) Click "Travel" again