Below is the code, I want to return the sum of all the array elements, why is it not working. I know we don’t need the Promise to achieve that but I would like to know how it can be done with a Promise. output:[object Promise]8 Answer I hope this will help Without changing sumPromise
Tag: javascript-objects
React.Js and Typescript how to read data from JSON?
everyone. I am using MongoDB with mongoose and React.Js. I have a page where the user can display a post. I am sending fetch request to the backend where I am getting this json data as response. And on the frontend I am using Fetch API, to get this data, what I am trying to do is I want to
Javascript object generator
Is there a generator approach to constructing a mapping (object)? I just need key/value mapping. For generating array, I can write something like this Non generator approach to construct an object in a similar way can look like this Is there a generator approach to construct an object? Something like this Answer Try using Object.fromEntries: For one generator, you can
Is pushing an object to an array async operation?
I was doing one problem-solving program where I had to find all the pairs from an array that adds up to a target (classic two-sum program just with a little addition). This was my first approach: ** This should output: [{first: 8, second: 2},{first: 7, second: 3}] but instead it prints: [{first: 7, second: 3},{first: 7, second: 3}] ** Now
Adding items in the nested array of React state
I’m trying to add new items to an array of an object that resides in another object of a state. Pretty nested. So I tried the following way… Now I want to add another object inside the object of series array with useEffect(). And I tried: The way I’m copying …options works absolutely fine, But when I try to copy
How to structure a function to add a key-value pair to a javascript object
Using javascript, how would you structure a function so that the rest of the code applies? which is to add a key/value pair to an existing JS Object. I am aware that I can manually add the pair using welcomeMessages.language = “message” But am not sure how to create a function to simplify the process Answer Try: You could also
Combining the content of multiple objects that have the same key with that key as the property in JavaScript
I want to combine the content of multiple objects that have the same key with that key as the property in JavaScript. Objects: Expected output: I have tried to use both object spreading and Object.assign with no sucess. With object spreading, since objects have no iterator this is returning an error. Object.assign would work however since the two objects to
How to use the functions of the imported module in current module?
I have a module named test1.js which is being exported default as test1. Then another file is there named mod1.js importing test1.js as follwing- I tried to access the function of test1.js module using the ‘.’ which is not correct. I don’t know how to access this kind of functions, even is it possible or not? Answer Your syntax of
Transform `Request` headers to plain key value object
I am trying to convert a list of headers from a Request (see https://developer.mozilla.org/en-US/docs/Web/API/Request/headers) object to a plain key/value object. Sadly, the following doesn’t work because the headers property is an iterator: Unusable result: Usable result but very verbose to create: I’m looking for some sort of a one liner (maybe including Array.from() or some of the other methods on
How to display values from google script object in html ?
HTML code I want to display object values in this form in <p or easier solutions GOOGLE SCRIPT code function findId returns row number by typed id Answer In your situation, how about the following modification? HTML & Javascript side: From To: Google Apps Script side: From To: Note: From <p id=”serial”>result</p>, I guessed that you might have wanted to