How to Generate Random String in jQuery / Javascript

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Inside this article we will see how to generate random string in jquery / javascript. If you are creating an application where you need to generate a random value using jquery every time then this tutorial may help you.

Article is super easy to understand and also easy steps for implementation. There are several options and the way to generate random value for every developer may be different but using javascript functions may be same.

Learn More –

Let’s get started.


Create an Application

Create a folder with name random-string. Create a file index.html into it.

Open index.html and write this complete code into it.

<!DOCTYPE html>
<html lang="en">

<head>
    <title>How to Generate Random String in Javascript / jQuery</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
</head>

<body>

    <div class="container">
        <h4>How to Generate Random String in Javascript / jQuery</h4>
        <div class="panel panel-primary">
            <div class="panel-heading">How to Generate Random String in Javascript / jQuery</div>
            <div class="panel-body">
                <button class="btn btn-warning" id="btn-generate">Generate String</button>
                <div style="margin-top: 10px;">String: <span id="random_string"></span></div>
            </div>
        </div>
    </div>

    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

    <script type="text/javascript">
        $(function() {

            $("#btn-generate").on("click", function() {

                var string = generateRandomString(10);
                $("#random_string").text(string);
            });
        });

        function generateRandomString(length) {

            var text = "";
            var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

            for (var i = 0; i < length; i++) {
                text += possible.charAt(Math.floor(Math.random() * possible.length));
            }

            return text;
        }

    </script>
</body>

</html>

Application Testing

Open browser and type this –

URL – http://localhost/random-string/index.html

Here, we have created a function which helps to generate random string value of given length.

var string = generateRandomString(10);

We hope this article helped you to learn how to generate random string in jquery / javascript Tutorial in a very detailed way.

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