Javascript/task 21.html at main · azarcoder/Javascript · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <label for="">Enter Rows:</label><input type="number" name="" id="row"><br><br>
    <label for="">Enter Columns:</label> <input type="number" name="" id="col"><br><br>
    <button onclick="gen()">Create the Table</button>
    <p id="demo"></p>
    <script>
        function gen()
        {
            var r=document.getElementById('row').value
            var c=document.getElementById('col').value
            let table=''
            if(r>c)
                alert("Enter valid order!")
            else
            {
                var k = 1
                table+="<table border='1' width=300px height=200px bgcolor=yellow>"
                for(var i=1;i<=r;i++)
                {
                    table+="<tr>"
                    for(var j=1;j<=c;j++,k++)
                    {
                        table+="<td>"+k+"</td>"
                    }
                    table+="</tr>"
                }
                table+="</table>"
            }
            document.getElementById('demo').innerHTML=table
            // document.getElementById('demo').style='background-color:yellow'
        }
    </script>
</body>
</html>