I have below sample javascript array object – In this array I want to make id as empty if it repeats. I tried to achive it through map , but could not find repeat id. Answer use reduce method
Tag: javascript
Read response from HttpRequest in JavaScript
First, you can ignore that this is sending credentials in an unsafe manner. I’m supposed to handle that after. My problem is with reading the ‘response’ or ‘responseText’ from a HttpRequest to an API. I can see in the console the request is succesful and the response I want is th…
How to use Flutter’s WebView to show graphs or charts (e.g. through D3.js or Chart.js) on Flutter Web?
This is a follow-up to this question, asking if all this was even possible. The WebView package seems really dope. But so far it seems really obscure and dense to me. Almost all of the examples I’ve been able to find refer to seeing other existing web pages and then altering them, but my use case was ab…
How can I search an object for certain object properties case insensitively?
I receive an object from the Gmail API and I need to extract certain properties. The problem is that sometimes the object property I am looking for in the original object is written in capital letters and sometimes not (e.g. Content-Id instead of Content-ID). var ob = headers.find(({ name }) => name == …
exporting deep copy of object in javascript
Will every module that imports from the above module receive a different copy? Or will they all receive the same copy? Answer Short answer: No. It will return the same instance for every one. Long answer: I suggest you read about how the module system works in JavaScript/Node. A good mental model is that when…
Why is position set to absolute even though I have explicitly set position to unset?
Making a 3D news web app using javascript – https://shange-fagan.github.io/globe.news/ I am getting the message in the console that the position of my html element is set to absolute even though in the code I have explicitly set it to unset, here is my code: please let me know what I am doing wrong, not…
How to transform nested object of objects into array of objects
Hi all I have the following code the data that I want to transform. In my obj variable I have 3 other objects numbers object which has items property which includes 2 other objects. letters object which has items property which includes only one object. signs object. I need to transform my obj to the followin…
What is a good default value for setting timeout conditionally?
setTimeout returns a number, a timeoutId, which is used by clearTimeout to identify and remove it. However, what value do I use if I want to set the timeout conditionally? Is 0 a safe ID to use? It’s used in a React context where clearing the timeout is generally considered good practice. Or is it perha…
Image import from array of objects
In data file there are arrary of objects and the icons descriptions is introduced like objects properties values. So how to use these icons as links? tryed like that, but the icons are not loading Answer First of all, your SVG files are invalid, you can check the 3rd icon below, which I have replaced with a v…
Error: Cannot remove headers after they are sent to the client
I was working on admin registration and admin data retrieving react app. The registration works fine but retrieving admin data is crushing my backend. I have encountered this error when call the given endpoint from my react app. But when I call it from Postman it works very fine. And when I see the console on…