So I am having trouble linking from one page to another in JavaScript. I have the following code.
I am trying to call when users click submit. Below is the form I want users to fill out. I am trying to get to feed.html when users click submit.
function login(){
window.location="feed.html";
}
<form>
<p>Username</p>
<input type="text" name="" placeholder="Enter Username" value="">
<p>Password</p>
<input type="password" name="" placeholder="Enter Password">
<input type="submit" name="" value="Login" onClick="login()">
Lost your password?<br>
Don't have an account?
</form>
So I thought it would simply call the function and go to the feed page after clicking submit, but instead it does nothing. Does anyone see what the problem is?
Submitting a form navigates to the page that is the response to the form submission.
Assigning a URL to location navigates to that URL.
So:
Your JavaScript runs
The JS starts navigation to feed.html
The form submits
The form navigates to the current URL (since you didn't specify an action) instead.
The navigation in step 4 replaces the navigation in step 2.
Your options:
Don't use a submit button
Call preventDefault to prevent the default action of clicking on a submit button
Set an action instead of using JavaScript
The last of these choices is probably the sensible one. You have what appears to be a login form. Handling all the authentication logic that decides if the user can login or not inside the browser (which is under the control of the user) instead of on the server is a huge no-no.
You should maybe use the "action" attribute on your form tag.
<form action="feed.html">
...
</form>
This will submit your form and redirect to feed.html.
Related
I'm making this form that, for now, redirects, a user to another page after submitting a form. However, after the user is redirected, the form fields pop up in the url. I'm a beginner and I was wondering on how I can keep the url path to just what I specified in the "action" attribute of the form. Here's my code
<div>
<form action="/test">
<input type="text" name="login-username" id="login-username" placeholder="Username" />
<input type="password" name="login-password" id="login-password" placeholder="Password" />
<input type="submit" name="login-submit-button" id="login-submit-button" />
</form>
</div>
After clicking the button, the url looks like this:
http://localhost:3000/test?login-username=&login-password=&login-submit-button=Submit
How can I keep it to just
http://localhost:3000/test
As mentioned clearly in this answer, default method of form on submit is GET with encoding of type x-www-form-urlencoded, which basically appends input data to the current URL.
Using method POST appends form-data inside the body of the HTTP request (data is not shown in URL).
We have a form with username password inputs and a button. When button is clicked, the form redirects to another url by adding /? to the url current, which is unwanted behavior.
In case we add event.preventDefault(), it prevents the browser from offering to save the username and password (see the picture below, what i mean).
Here is the code. It does not redirect here, because it is inside a snippet.
document.getElementById('send').addEventListener('click', (event) => {
//event.preventDefault()
console.log('test')
})
<form>
<div>
<label for="username">username</label>
<input
id="username"
type="text"
autocomplete="username"
/>
<label for="password">password</label>
<input
id="password"
type="password"
autocomplete="new-password"
/>
</div>
<button id="send">send</button>
</form>
I tried to use div instead of form tag, but it prevents autocomplete from working too.
Also, here you can test the form with browser offering to save password. Copy the code from here
How to prevent redirect on button click and preserve browser's autocomplete functionality?
To prevent redirection on button click, set the type="button" for the button element and that will turn the button element to just an ordinary button, then after then you know that you will be using AJAX to submit the form:
<button id="send" type="button">send</button>
is this the answer you are looking for
I have not checked. But you can try this:
document.getElementById('send').addEventListener('click', (event) => {
console.log('test');
return false;
})
The 'new-password' value used for autocomplete should be preventing autofill since the browser is expecting a new password to be entered there. According to the MDN:
Preventing autofilling with autocomplete="new-password"
If you are defining a user management page where a user can specify a
new password for another person, and therefore you want to prevent
autofilling of password fields, you can use
autocomplete="new-password".
I think this answer may help
In many sites, I have seen after clicking on "Sign Up" or "Register" button we are either re-directed to other page where the insertion of our data in database takes place. Like in Facebook, when you click "Sign Up" it goes to the facebook.com/r.php page. I want to create a registration form which when submitted, will be not re-directed but will validate and insert data in database in the same page.
For example, Facebook uses a form such as:
<form id="xyZ" name="abc" method="post" action="r.php">
It redirects us from index.php to r.php.
But I want to use:
<form id="xyZ" name="abc" method="post" action="index.php">
i.e Without redirecting.
Which one is safe?
Redirecting does not effect the security of the website at all in the slightest. I recommend taking a look here about possible authentication solutions you can use for your site.
Whether you authenticate and log them in/register them using index.php or r.php, it doesn't matter in the slightest. Forum systems such as phpbb used to at one time to everything in the index.php file, and depending on the ?page $_GET variable, it would display different things (Like a login form, or a registration form). How you handle it, is entirely up to you, but neither method is more insecure than the others.
Both are safe!
Redirect method, kind of link using which user redirects to another page where they can register
Ajax Method, here you can make calls using Javascript / jQuery which returns you html source, which you can just plug in appropriate place.
Your Page where you need your registration form to be displayed, when user click on sign up link
<div id="ajax-response"></div>
<a id="signup" href="signup.php">SignUp</a>
<script type="text/javascript">
jQuery("#signup").on('click', function(e){
e.preventDefault();
var _context = this;
jQuery.ajax({
url: jQuery(_context).attr('href'),
success: function(response){
jQuery("#ajax-response").html(response);
}
})
})
</script>
and signup.php, will contain the registration form
<form>
<input type="text" name="fname">
<input type="text" name="lname">
<input type="text" name="email">
<input type="submit" />
</form>
Please help. I'm trying to integrate shopifys shopping cart outside of shopify itself. Basically I need to submit a form and keep it from redirecting so I can allow the customer to add all the items he wants before proceeding to checkout instead of one.
I've been trying two methods:
First method using just a link:
BUY NOW
Second method using form submission with return_to:
<form action="http://statevintage.myshopify.com/cart/add" method="post">
<input type="hidden" name="id" value="281514140" />
<input type="hidden" name="return_to" value="back" />
<input type="submit" value="BUY NOW" />
</form>
No matter what I do even using a return false script I still get sent to checkout!
This guy is using the same form functionality, just with quantity options, http://sageinvoices.co.uk/ but for some reason it never leaves his site until you actually checkout. Which should be because of
<input type="hidden" name="return_to" value="back" />
I've followed every wiki I can find and I just can not stop the form redirect to my checkout page. I plan on producing a cart count and item display then allowing the user to checkout when they want. Also I can not change platforms for my client! It has to work for shopify. Also I can not use their app or iframe method. This site must be cross browser compatible and fast.
If you f.submit() the form, it does what it says: submit the form ;-)
It is possible to prevent the default submit behaviour, for example using jQuery:
$('#target').submit(function() {
alert('Handler for .submit() called.');
return false;
});
I have a form, which has a few different submit buttons on it all doing different things with the same post data.
Lets say for simplicity sake the form looks like this:
<form method="post">
<input type="hidden" name="ids" value="1,2,3,4" />
<input type="submit" id="picking" name="picking" value="Picking" />
<input type="submit" id="shipping" name="shipping" value="Shipping" />
<input type="submit" id="invoice" name="invoice" value="Invoice" />
</form>
At the moment the form submits to itself and I work out server side which submit button is pressed, build a URL from the POST data, then do a PHP redirect to what I need to go. This works fine.
However, I am looking for the form to post its data to a new window, but only when "invoice" is clicked. This rules out just adding target="_blank" to the form, as the other 2 buttons would submit to new pages as well.
I also can't split the form into 3 different forms as the data is a lot more complex than the above, and a lot of it is input by the user.
Is there a way to do this using JavaScript/JQuery? If so, where would I start?
Thanks
could you not add target blank to the form when invoice is clicked?:
$("#invoice").click(function(){
$('#form_id').attr('target', '_blank');
});
or:
$(document).on("click","#invoice",function(){
$('#form_id').attr('target', '_blank');
});
Try adding a click handler to the correct submit button.
$('#invoice').on('click', function(){
//doStuff
});
This will allow you to control the action of #invoice without affecting the others.