<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8" name="viewport" content="width=device-width, initial-scale=1"/> <link rel="stylesheet" type="text/css" href="css/bootstrap.css" /> </head> <body> <nav class="navbar navbar-default"> <div class="container-fluid"> </div> </nav> <div class="col-md-6 well"> <hr style="border-top:1px dotted #ccc;"/> <div class="col-md-3"> <div class="form-group"> <input type="text" class="form-control" id="text"/> </div> </div> <div class="col-md-6"> <form> </form> </div> </div> </body> </html>
function upperCase() { var text = document.getElementById("text").value; document.getElementById('text').value=text[0].toUpperCase() + text.slice(1); } function lowerCase() { var text = document.getElementById("text").value; document.getElementById('text').value=text[0].toLowerCase() + text.slice(1); }