DOM update after a database change

We have a problem for which we have to update the information that a user sees correctly when the account changes. What is the easiest way to do this? I can query an API that we have configured separately to search for this information, but I would like to avoid that. Is a hook like _user_presave have a way to update the DOM?

javascript – Questions about sorting HTML DOM with the help of jQuery

I have below the code that works perfectly to sort DOM.

HTML:

CSS

li::before {
    content: attr(data-order);
    display: block;
}

Javascript with jQuery:

const sortList = function(a, b) {
    return (+a.dataset.order) - (+b.dataset.order) > 0 ? 1: - 1;
};

$('button').click(() => {
    $('#list li').sort(sortList).appendTo('#list');
});

Or you can check it on codepen:
https://codepen.io/EdmondWang/pen/pozeyXb

I have 2 questions.

Thanks for the help in advance!

Amazon Web Services – React Router DOM Does Not Work Properly on Amplify AWS Console

I have deployed the reaction application on the Amplify console after their documentation. The site is deployed and working well, I can navigate using links, but when I try to land directly on a URL, I am redirected to my configured page 404.

Below is the code I'm using

ReactDOM.render(
  
    
  ,
  document.getElementById("root"),
);

And here's what my career looks like –


     }
    />
     } />
     }
    />
    

Here is the link to the application – https://master.dkf0zemoh330o.amplifyapp.com/features

javascript – how to manipulate DOM with ForEach using HTML Collection iteration correctly?

I have trouble creating elements dynamically.
I just started the code and nothing happens in the DOM. There is an HTML collection in parentObject that would be iterated 8 times in forEach, thus creating 8 single paragraphs written "second {iteration number)"

but I roll it and nothing happens at all.

map body path is: html> body> section> div> div> # 0 div.mb-4.shadow-sm> div.card-body

const parentObject = document.getElementsByClassName("card-body");


(...parentObject).forEach((parent, i) => {
  const childElement = document.createElement("p");
  childElement.className = "card-text";
  childElement.innerText = `second ${i}`;
  parent.appendChild(childElement);
  console.log(i)
});

magento2 – (Magento Framework Config Dom ValidationException): "referenceBlock" element, attribute "class": the attribute "class" is not allowed

I have this problem and I can not locate the problem:

1 exception (s): Exception # 0 (Magento  Framework  Config  Dom  ValidationException): The "referenceBlock" element, attribute "class": the attribute & # 39; class & # 39; is not allowed. Line: 1124

This problem occurs as a logged-on client when I try to access the invoice for a test command.

Here is what I tried to do to solve the problem by following many topics on this forum:

  • configuration: di: compile
  • Delete the contents of / pub / static / frontend
  • Deploy static content

Nothing works.

Note that I looked in my XML for a referenceBlock with a class attribute, but found nothing. Maybe I'm not looking at the right place?

Directories scanned to find the error:
– / app / code
– / app / design

Can any one explain me how to locate this error more precisely? Or help me solve it?

Magento version 2.3.1

Thank you in advance.

javascript – Wait for an item to exist in DOM before clicking on it

Here's the problem: a script injects HTML5 elements (actually a button with the #the button ID) to the current DOM.

But this is a third party script and I have no control over when it will be injected to the page.
I need to automatically click this button when the button is injected into the DOM. Here is my solution until now.

It really works but I'm not sure about the quality of this code. My first assumption is that I can use the clearTimeout () method. Is there anything else I have to do?


Here is a simulated jsFiddle from the whole process: https://jsfiddle.net/qxpcj3wm/

Intersite script (based on the DOM)?

I'm doing this challenge and I've come across a very difficult level that I think concerns the XSS DOM.

I know it because I do not get any response from the server side and everything I insert will not be reflected because of a sudden leak.

Here is the sample source code of the page:

link: https: www.example.com/

 

When I open this link

https://site.example.com/ac/primary/js/en-US/base-responsive-v2-footer.a9d4b9536378c2666557.js

I find this

a (e)} document.cookie = "ua = 531227642bc86f3b5fd7103a0c0b4fd6; path = /; max-age = 31536000"; if (null == window.location.host.match (/.* etsy  .com $ /)) for (var s = 0; s <document.forms.length; s ++); $ ("")} (function () {var e = function

How can I exploit this?

html – counter with javascript in the DOM at the push of a button

Hello I have a problem with a cash register application. When you press a button representing a product in the store, a card must be created in a container that must contain the quantity of products collected from that respective product. my problem is that first of all everything goes in the card with 1 of quantity but if I preciono still the same button so that there are now two loaded products. I have tried to do it but I can not and I would like them to help me do it. to be able to move forward with the other features of my program.

It's the first one I do, I'm very excited, but it's beyond me. I hope and you can understand me and help me.
greetings

Here is a link to my "Dropbox" folder so you can understand me better -> https://www.dropbox.com/sh/8spt60ssuqnf0by/AAAO7TwMwqWpYJHyfRvR2C82a?dl=0

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Evaluation: 5

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Evaluation: 5

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