js add a row, delete a row
let str="<tr>"
+"<td>"+a[1]+"</td>"
+"<td>"+p_money+"</td>"
+"<td>"+b_money+"</td>"
+"<td ><span onclick=\"delTab('"+a[0]+"',this)\" style=\"color: blue;cursor:pointer;\">删除</span></td>"
+"</tr>";
$("#tab").append(str);
function delTab(id,obj){ ids=ids.replace(id+"#", ""); var tr=obj.parentNode.parentNode; var tbody=tr.parentNode; tbody.removeChild(tr); }
How many how many columns and rows to get data acquisition js
// Get the object table; the let Tab = document.getElementById ( "Tab" ); // get all the number of rows in the table; the let tablRows = tab.rows.length; the let args = "" ; for (I = the let. 1; I < tablRows; I ++ ) { for (J = the let. 1; J <tab.rows [I]. 1-.cells.length; J ++ ) { args + = tab.rows [I] .Cells [J] + .innerText "#" ; } args + = "," ; }