Basic form <!DOCTYPE html > <html lang = "en" > <head> <meta charset = "UTF-8" > <meta name = "viewport" content = "width=device-width, initial-scale=1.0" > <title> JSFORM </title> <link href = "https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel = "stylesheet" > <script src = "https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js" ></script> <style> span { color : red ; } </style> </head> <body> <form name = "basicform" onsubmit = " return fun()" > <div class = "row" > <label for = "colFormLabelLg" class = "col-sm-2 col-form-label col-form-label-lg" > Name </label> <div class = "col-sm-10" >