JavaScript Print Pattern (Right angled Triangle)

Okay Friends! Today we are going to see another interesting pattern program which is in pure JavaScript.

The output of the below program will be something like this:

Let’s see the script how to print the right angled triangle using pure JavaScript:

<!DOCTYPE html>
<html>
    <head>
        <title>TODO supply a title</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script type="text/javascript">
            function printStars() {
                document.getElementById("result").innerHTML = '';
                var limit = document.getElementById("limit").value;
                for (var i = limit; i >= 1; i--) {
                    var result = "";
                    for (var j = i; j >= 1; j--) {
                        result += "*"
                    }
                    document.getElementById("result").insertAdjacentHTML('afterend', result+'<br>');
                }
            }
        </script>
    </head>
    <body>
        <p>Enter the number of lines <input type="number" id="limit" min="0"  /> <button onclick="printStars()">Print Stars</button>
        <div id="result"></div>
    </body>
</html>

You can see the demo in here: