forms

问题 I am using jQuery to validate my form. I would like to see if the username is a single word. I see selector in Jquery http://jqueryvalidation.org/category/selectors/ but don't know how to use it in my case. <form id="register" name="register" action="/codejudge/contest.php" method="post" > <label for ="Username"> Username </label><br> <input type="text" class="register-control" id="Username" name="Username" placeholder="Enter Username"> <br><br> <label for ="Password"> Password </label><br>

问题 I'm trying to click on a submit button and submit a form using purely javascript. I have tried: document.getElementById('sell_form').submit(); and for(var i=0;i<document.getElementsByName('operation').length;i++){ if(document.getElementsByName('operation')[i].value=='Sell'){ document.getElementsByName('operation')[i].submit(); } } but I just can't get it. Can anyone show me how I could do this? Thanks in advance. The web code is: <form id="sell_form" class="ajaxform" action="/member/sell"

问题 I am getting the following error when I try to submit a form (the form shows up when 1 user wants to message another user) NoMethodError in MessagesController#create undefined method `stringify_keys' for "":String Rails.root: /Users/fkhalid2008/loand Application Trace | Framework Trace | Full Trace app/controllers/messages_controller.rb:31:in `new' app/controllers/messages_controller.rb:31:in `create' Here is the relevant code from Messages Controller: def new @message = Message.new if params

问题 I'm creating a simple registration page: <?php $firstName = $_POST['firstName']; ?> <form action="registration.php" method="post" enctype="multipart/form-data"> <table> <tr> <td> <b>First name:</b> </td> <td> <input type="text" name="firstName" size="30" maxlength="400" value="<?php echo $firstName; ?>" /> </td> </tr> <tr> <td> <input type="submit" value="Submit" /> </td> </tr> </table> </form> If the user enters an invalid first name (ex. too short, or weird symbols), the page reloads with

问题 I'm creating a simple registration page: <?php $firstName = $_POST['firstName']; ?> <form action="registration.php" method="post" enctype="multipart/form-data"> <table> <tr> <td> <b>First name:</b> </td> <td> <input type="text" name="firstName" size="30" maxlength="400" value="<?php echo $firstName; ?>" /> </td> </tr> <tr> <td> <input type="submit" value="Submit" /> </td> </tr> </table> </form> If the user enters an invalid first name (ex. too short, or weird symbols), the page reloads with

问题 I am reading the guide on form helpers http://guides.rubyonrails.org/form_helpers.html but I'm not sure whether I actually need to write my webpages this way.. I have an HTML form like this written in new.html.erb <form action="/posts" method="post"> <label for="title">Test</label> <input id="title"/> <input type="submit" value="submit"/> </form> (The posts page is from the Getting Started guide) When I submit the request, the server throws an ActionController::InvalidAuthenticityToken

问题 I've been having alot of issues with contact form, does anyone know why my code is just bringing up a blank screen with "(URL)/mail.php when i press Submit on my form. Here is my code <h2 class="formhead">Contact Form</h2> <br> <form class="form" action="mail.php" method="post"> <p class="name"> <input type="text" name="name" id="name" placeholder="John Doe" /> <label for="name">Name</label> </p> <br> <p class="email"> <input type="text" name="email" id="email" placeholder="mail@example.com"

问题 I've been having alot of issues with contact form, does anyone know why my code is just bringing up a blank screen with "(URL)/mail.php when i press Submit on my form. Here is my code <h2 class="formhead">Contact Form</h2> <br> <form class="form" action="mail.php" method="post"> <p class="name"> <input type="text" name="name" id="name" placeholder="John Doe" /> <label for="name">Name</label> </p> <br> <p class="email"> <input type="text" name="email" id="email" placeholder="mail@example.com"

问题 I have html form: <form id = "contactForm"> <input type="text" name="name"></input> <input type="text" name="phone"></input> </form> I have Button and when I click it I am doing ajax post request: $.post( "/send-form", $('#contactForm').serialize() In chrome web inspector I can see that data is sent name=+gfdsfd&phone=89999 This is my backend function I am using Flask,Python: @app.route("/send-form", methods=['POST']) def send_form(): name = phone = email = country = text = None data =

问题 I have html form: <form id = "contactForm"> <input type="text" name="name"></input> <input type="text" name="phone"></input> </form> I have Button and when I click it I am doing ajax post request: $.post( "/send-form", $('#contactForm').serialize() In chrome web inspector I can see that data is sent name=+gfdsfd&phone=89999 This is my backend function I am using Flask,Python: @app.route("/send-form", methods=['POST']) def send_form(): name = phone = email = country = text = None data =