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Dynamically change value of form in JS


Dynamically change value of form in JS

By : user2955537
Date : November 22 2020, 10:40 AM
wish help you to fix your issue Here is an example jsFiddle. I have two fields.. opp3 and opp4. The user can modify the text in opp4 but I want the text in opp3 to dynamically change when a user changes the text in opp4. , You can use an event listener on the opp4 input to achieve this.
code :
var opp3 = document.getElementById('opp3')
opp3.value = "Text <VALUE FROM OPP4> More Text";
var opp4 = document.getElementById('opp4')
opp4.value = "Field Text Here";

opp4.addEventListener('input', function () {
    opp3.value = this.value;
});
<input id="opp3" maxlength="120" name="opp3" size="40" tabindex="1" type="text" style="cursor: auto; background-attachment: scroll; background-position: 100% 50%; background-repeat: no-repeat;" readonly>
    
   <br><br>
       
       <input autocomplete="off" id="opp4" maxlength="255" name="opp4" size="40" tabindex="2" type="text">


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Dynamically change form submit button depending on value in form?

Dynamically change form submit button depending on value in form?


By : Francois Maguet
Date : March 29 2020, 07:55 AM
wish helps you This should be easy, but after browsing several libraries (jquery preferred!) and even plain old javascript, I'm drawing a blank. , Let's assume your submit button is a button element.
code :
$('table').delegate('button', 'click', function(e) {

  var formData = {}

  $(this).closest('tr').find('input').each(function() {
    formData[this.name] = this.value;
  });

  //Add in your code to ajax it off...

  e.preventDefault(); //since buttons/submits behave differently in each browser.

});
JSF: Dynamically change form

JSF: Dynamically change form


By : user2953910
Date : March 29 2020, 07:55 AM
I wish this helpful for you Ajax is a convenient way to do this and JSF 2.0 comes with ajax bundled.
Here is an example:
code :
<h:selectOneRadio value="#{a7.myCheckbox.state}">
      <f:selectItem itemLabel="#{bundle.yes}" itemValue="1"/>
      <f:selectItem itemLabel="#{bundle.no}" itemValue="0"/>
      <f:ajax render="uawGroup"/>
</h:selectOneRadio>

<h:panelGroup id="uawGroup" layout="block">
   <h:outputText value="#{bundle.wichmed}"
        rendered="#{a7.myCheckbox.state == 1}"/>
   <h:inputText value="#{}" id="myInput"
        rendered="#{a7.myCheckbox.state == 1}"/> 
</h:panelGroup>
Dynamically change Form Action when form submitting

Dynamically change Form Action when form submitting


By : Amira Barakat
Date : March 29 2020, 07:55 AM
may help you . I think, if you don't want the input fields to show up in the URL, you can remove them from the form before posting.
Untested:
code :
var objForm = document.search;
if (objForm.vehicle.checked)
    {
    objForm.removeChild(objForm.searchType);
    objForm.submit();
    }
<input type="radio" name="vehicle" value="all" />
<input type="radio" name="vehicle" value="first"/> 
<input type="radio" name="vehicle" value="second" selected /> 
<input type='checkbox' name='vehicle[]' value='first' />
<input type='checkbox' name='vehicle[]' value='second' checked />
Dynamically fill form fields according to value change of a dropdown before submitting form

Dynamically fill form fields according to value change of a dropdown before submitting form


By : gchs2012
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , The "standard" way of doing this would be via ajax (just send a JSON request to your users#show action, and it should return the user data you request -- I'll write in a second).
code :
#app/models/order.rb
class Order < ActiveRecord::Base
   belongs_to :customer #-> requires "customer_id" in "orders" table
end

#app/models/customer.rb
class Customer < ActiveRecord::Base
   has_many :orders
end
#app/controllers/orders_controller.rb
class OrdersController < ApplicationController
   def new
      @customers = Customer.all
      @order = Order.new
   end

   def create
      @order = Order.new order_params
      @order.save
   end

   private

   def order_params
      params.require(:order).permit(:customer_id, :etc, :etc)
   end
end

#app/views/orders/new.html.erb
<%= form_for @order do |f| %>
   <%= f.collection_select :customer_id, @customers, :id, :name %>
   <%= f.submit %>
<% end %>
#app/controllers/customers_controller.rb
class CustomersController < ApplicationController
   respond_to :json, :html, only: :show

   def show
      @customer = Customer.find params[:id]
      respond_with @customer
   end
end

#app/assets/javascripts/application.js
$(document).on("change", "select#customer_id", function(e){
   $.ajax({
      url: "customers",
      dataType: "json",
      data: { id: $(this).val() },
      success: function(data){
         // Output returned data in form
      }
   });
});
Dynamically change html Login form to Registration form

Dynamically change html Login form to Registration form


By : user2103928
Date : March 29 2020, 07:55 AM
To fix this issue I have a login form that takes input for user credentials. At the bottom I have a link to a Register user form. It takes me to a whole new page to register a user. However is there a way with JQuery AJAX to change the login form inputs to take registration inputs instead and send to the respective correct processing php files? , You can use the method of hiding one of the forms.
code :
$("#switchForm").click(function(){
  const isLoginVisible = $("#login_form").is(':not(:hidden)');
  if(isLoginVisible) {
    $("#login_form").hide();
    $("#register_form").show();
    $("#switchForm > p").html("Already member? Login now!");
  } else {
    $("#login_form").show();
    $("#register_form").hide();
    $("#switchForm > p").html("Not yet a member? Register now!");
  }
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="backgroundLogin">
<fieldset>
   <form id="login_form" name="login" method="post" action="./Login.php">
         <p id="title">
            Connect-a-Cutie Login
         </p>
         <p id="email">
            <label> Email:</label>
            <input type="text" name="email" placeholder="Type your email...">
         </p>
         <p id="password">
            <label>Password:</label>
            <input type="text" name="password" placeholder="Type your password...">
         </p>
         <button href="./LoginPage.php" type="submit">Submit!</button>
         <p>
   </form>
   <form id="register_form" action="RegistrationPage.php" method="POST" style="display: none;">
      Name: <input type="text" name="name" placeholder="Enter your name..."/><br/>
      Email: <input type="text" name="email" placeholder="Enter your email..."/><br/>
      Password: <input type="text" name="password" placeholder="Enter your password..."/> (make sure no one is looking...)<br/>
      Addess: <input type="text" name="address" placeholder="Enter your address..."/><br/>
      Do you want to be an admin? <input type="text" name="isAdmin" placeholder="TRUE or FALSE"/><br/><br/>
      <button type="submit">Submit</button>
   </form>
   <a id="switchForm" href="#">
  <p>Not yet a member? Register now!</p></a>
  </fieldset>
</div>
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