function addMultiTable(rows, cols) {
var myHeader = document.getElementsByTagName("h1")[0];
var table = document.createElement("table");
for(i=0; i < rows; i++ ) {
var row = document.createElement("tr");
table.appendChild(row);
for (j = 0; j < cols; j++) {
var cell = document.createElement("td");
cell.innerHTML = (i+1)*(j+1);//value inside cells
row.appendChild(cell);
}
table.appendChild(row);
}
myHeader.appendChild(table);
}
solved How to insert an HTML table in Javascript?