problem Description I am dealing with an optional variable called ByteRange. For this purpose I added 2 different URLs in $resource. When I did that I got the following error: I understood that I can’t have 2 gets. Is there another way to deal with optional variables in Javascript? source code Answer Ok…
Tag: angular
What does “object’s identity must change” mean in Angular?
I am reading this Angular doc, it says: With any object-like expression—such as object, Array, Map, or Set—the identity of the object must change for Angular to update the class list. Updating the property without changing object identity has no effect. So, how do I change an object’t identity? Thanks. …
How to hold alert box on the page in case of reloading or changing route?
I need to maintain an alert box on the Registration page indicating the user has registered successfully. However, by redirecting to the Login form this box disappears, because the page refreshes. I utilize the Alert component to manage this scenario. All of the features work flawlessly but this problem reall…
How to create a directive in Angular to mask us phone number without changing model?
I have a directive in Angular Js that masks phone numbers to US format (xxx) xxx-xxxx , How can I recreate the same directive in Angular ( typescript ) ? I created a directive from another post but It alters the model too, My Requirement is that it should visually show as (xxx) xxx-xxxx, but the model value s…
Angular Form Array – Dynamically Add Value to Nested Form Group
I followed the this video to create a reactive form to input data into an Angular application I am working on. It does what I want for the most part, however, I have added an additional control(“setNumber”) to be added in the reactive form array, but instead of inputting a value through the input …
How to switch from graph view and tableview with a toggle button in Ionic 6/Angular?
I have two components to show data. The table view and the graph view. Both components has the same data. I use a toggle switch button to switch between these views. This is my code: The default view is the graphview via chart.js. Both components works fine. This is my code to hide and show: When I click on t…
filter Async data in Angular [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 8 m…
Angular: How to map string to enum
I am trying to map list of JSON to my model but one of my model property is enum but from the JSON I am getting that property as a sting so, how can map that string as a enum My enum – My model – My json – Here I am trying to map the JSON to my model
how to avoid the updated value to be binded to other array using angular13
i am working on angular13, here i have button to move items from left to right. now once the item is moved from left to right and if i edit the same item under right side, the edited value is updated in left side array as well. HTML: TS: DEMO Answer You are pushing the same instance into both arrays.
How to add and subtract checkbox values in TypeScript (JavaScript)
I’m currently working on an Angular frontend with TypeScript. I’m trying to get the checkbox values from the array elements, which I’m iterating through in the HTML file with ngFor, and add those values to the total value. The total value should be displayed on the webpage. I managed to get …