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Allow only numbers into textbox using Javascript example
HTML
<!doctype html> <html> <head> <meta charset="utf-8"> <title>Only numbers input textbox</title> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.1/dist/css/bootstrap.min.css" rel="stylesheet"> </head> <body> <div class="container"> <h1 class="my-3">Only numbers input textbox</h1> <div class="row"> <div class="col-12"> <div class="mb-3"> <label for="number" class="form-label">Number</label> <input type="number" class="form-control w-50" id="number" placeholder="123456"> <div class="alert alert-danger d-none mt-3 w-50" id="number-message">Only numbers allowed.</div> </div> </div> </div> </div> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> </body> </html>
CSS
Javascript
$(document).ready(function() { $("#number").keypress(function (e) { if (e.which != 8 && e.which != 0 && (e.which < 48 || e.which > 57)) { $('#number-message').addClass('d-block').removeClass('d-none'); return false; } else { $('#number-message').addClass('d-none').removeClass('d-block'); } }); });
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