HTML Form

<form action="#" method="GET"> <!-- text field --> <label for="username">username</label> <input type="text" name="username" id="username"> <label for="password">password</label> <input type="password" name="password" id="password"> <br> <!-- radio button --> <!-- Radio buttons with the same "name" attribute are members of a group --> <input type="radio" name="gender" value="male">man <input type="radio" name="gender" value="female" checked>woman <br> <!-- checkbox --> <input type="checkbox" name="pets" value="dog" checked>Dog <input type="checkbox" name="pets" value="cat">Cat <input type="checkbox" name="pets" value="bird">Bird <input type="checkbox" name="pets" value="fish">Fish <!-- submission button --> <input type="submit" > <!-- reset button --> <input type="reset" > <!-- push button --> <input type="button" name="key" value="label" onclick=""> <!-- hidden field --> <input type="hidden" name="action" value="changes"></form><!-- must specify method and enctype attributes like these if upload file. --><form action="#" method="POST" enctype="multipart/form-data"> <!-- file-selection --> <input type="file" accept="image/*" name="upload_file"> <button type="submit">upoload</button> <button type="reset">reset</button> <button type="button" name="key" value="not_label" onclick="">just a push button</button> </form>