Questions tagged [knockout.js]
Knockout.js is an open source JavaScript library for dynamic HTML UIs using the Model-View-View Model (MVVM) pattern.
knockout.js
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Bind CSS with knockout Secure Bindings
How Can I bind CSS to a div using knock out secure bindings.
The following piece of code is not working.
data-sbind="css:{'has-error': isNullOrWhiteSpace($root.UserID()) == true,'MandatoryFields':...
- 1,958
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56
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How to re-render dropdown with search text data filtered
I am using a bootstrap selectpicker with knockout.js binding which has multiselect as well as data-live-search properties on.
Here is a scenario
Steps:
Open dropdown, type ‘cat’ in dropdown
Due to ...
- 1,466
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26
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Form validation is not working using Knockout.js SPA
I have created a Single Page Application in which create three HTML Pages names: 1. Index.html (Master Page), 2. Home.html, and 3. Contact.html and also two JavaScript Pages: 1. Index.js (for Master ...
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Conditional html heading tag based on variable in knockout.js
Is it possible to set the html element in knockout.js programmatically?
For example, the user can choose the heading level (from h1 - h6 and p if it's no heading).
And in frontend I then have a ...
- 1,608
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Cast a string name to model name which already exists in knockout JS
I am working on a dynamic validation setting in Knockout JS. I blocked by one scenario, I am getting viewmodel name as string from db with control id. This model name is a string name like “testModel....
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magento 2.4.6 knockout.js:3753 Uncaught TypeError: Unable to process binding "visible: function(){return isVisible() }"
in magento 2.4.6 getting bellow error. i can not found solution so if anyone can help me then it will be great.
knockout.js:3753 Uncaught TypeError: Unable to process binding "visible: function(){...
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Force Magento 2's checkout accordion to be open on first step, closed on second step
This is my Magento_Checkout/web/template/summary/cart-items.html
<!--
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<div class="...
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Unable to process binding "value: function() {return myVar }"
I am using knockout.js and am trying to get a <select> tag to populate with options from on of the view model's properties. I think I did everything right but it breaks. The console error is
...
- 434
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I am getting Failed to load resource: the server responded with a status of 500 (Internal Server Error) - intermittently in Knocout/MVC app
Getting intermittent 500 internal server error while laoding page.
Client Side code to load Dropdown on Page whenever error occoured it is not hitting server side controller.
// Perform initial ...
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21
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Knockout Computed field never updates UI
I have some computed fields that I setup as get the model from JSon.
The event is triggered on the related fields change and the calculation is correct but the value is never presented on the UI.
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Add values in form input in Javascript (Chrome)
I am trying to learn how to automate the input values in some forms when they get repetitive (asking for age, gender, location).
I have investigated the HTML and noticed there are also a few hidden ...
- 2,856
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Magento 2: wrong shipping method saved in order
We have 2 delivery methods enabled on Magento 2.4.6: home delivery and a custom store pickup.
If the home delivery method is selected and correctly saved in the order, the customer's address is ...
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How to add multiple method titles to KnockoutJS ifnot statement in Magento2
I am looking to add multiple shipping method titles to some knockout JS ifnot statement in Magento2. I currently have the following code which works for the method title listed.
<!-- ko ifnot: ...
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88
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Uncaught TypeError error in Chrome for multiple file upload
On one of the pages I allow user to upload multiple images to upload. Script works fine in Firefox however for sometime it doesn't work on chrome as it give following error
Uncaught TypeError: Cannot ...
- 19.8k
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Apexcharts <svg> attribute height: Expected length, "NaN" when loading other page
I have a simple chart generated with ApexCharts v3.45.1. This is on a single page application where when I fetch another page via an AJAX call, the original chart in the DOM is removed on purpose (...
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Is toString() JavaScript output "guaranteed" to be the same in every browser/implementation?
I'm using a specific framework and somewhere in my code I have a function as a parameter.
I want to check if that function is a specific anonymous function out of that framework. I don't have access ...
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How does the knockout rendering for imagepicker work in SurveyJS Survey Creator
Can someone help me understand how imagepicker is rendered in knockout SurveyJS Survey Creator?
I am not sure where or how the binding to the elements in the html template occurs or how the html ...
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41
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Knockout.js - Subscription to observable selected value in cascading select list firing twice
I have two templates for cascading select lists implemented with Knockout.Js, named office and department. Each of the lists has a subscription to the selected Value. There are two ways the list and ...
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Malware in Knockoutjs context debugger
Has anyone else seen this:
Is there another extension for KnockoutJs?
- 921
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276
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Magento 2 Minicart / Knockout.js: Format calculated price / sum
In Magento 2 minicart (CE 2.4.6) I do not only want to show the price of each item in cart, but also the SUM of each item (if there is more than one unit of the same item in cart). I have therefore ...
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Magento 2: How to open a modal for each related product using UI component?
I need to save product IDs(will be used ono the frontend later) into the extension attribute of the related product.
Idea is that modal with products listing should appear when I click the 'Select ...
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34
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knockout save reordering with jQuery SortableJS when drag/drop rearrange list in
I have a knockout application, where I have a list of divs for a knockoutobservablearray.
After I move an item to a new position. How do I update the knockoutobservablearray to reflect the changed ...
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Knockout JS blur event binding occurs 2 times
I have this simple input
<div class="input-group" data-bind="attr:{id: 'date-rec-datepicker-calendar-' + invoiceId()}, liveEditor: value">
<input class="edit form-...
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Can't stop multiple page (html) from overlapping divs using @media print css
I've got a two-column, multi-page, data fed, phone directory. The screen layout works fine and the printing did until a recent update to DNN. I can't blame DNN because it might be browser related, but ...
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How can I do a Unit Testing in KnockoutJS with QUnit
I have this ViewModel (short) with KnockoutJS and I need to make a Unit Test using QUnit but I have this error message when i running my test.
ViewModel:
var modeloContratacion;//NOSONAR
define(['...
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91
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Weird onchange event in Chrome with autofill fields and Stripe embed
We have a weird issue happening in Chrome autofill where if I autofill the forms in the video link it causes an onchange event on my Type dropdown that is using knockout.js and sends an undefined ...
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Using the last image in an array
Sorry if wrong format or dumb question, I'm new to this. I use knockout js and normally use it to find a image with an index and display it, however, I'm wondering if it is possible to ensure it is ...
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Check string in Knockout JS and then split string values
I have the following data binding:
$row().current_tracking
Sometimes $row().current_tracking has a value of, for example:
372424561624
And sometimes $row().current_tracking have a value with two ...
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Knockout extenders
I have the following extender below and I am trying to use it in typescript and I'm getting the error listed.
I have searched through so alot of documentation and this seems to be the way it should be ...
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Knockout with Monaco - Close Modal Not Updating
I have a page that has a monaco editor textbox. I have an Edit button that, on clicked, opens a modal window with a new monaco textbox (it gets initialized with the value from the model bound to first ...
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