javascript data set property

i have set data in the html elements like

Parsing error message using substr and indexOf not working

I’m trying to extract a substring from an error message I receive and parse it to JSON. However it seems something with the indexOf or the substring method is not working as expected. Here’s the full …

Cannot build an app when there is CommonJS instead of ES6 module exports/imports

I generated a simple app through create-react-app (v3.3.0 for what that is worth) without messing with it’s default settings. For the most part, I use I do exports using the ES6 syntax: export default …

Loop through an object by not using two for loops

I am trying to loop through an object and get the values of the properties using two for loops. var fakeData = { “manufacturer”: “tesla”, “cars”: [ {&…

Not able to drop element when creating dynamic divs to drag and drop element in

Following up on my previous question. It works perfectly. But when I dynamically create the divs where the li element is dropped in, I am not able to drop the element in it. I am using the basic HTML …

How to create a new data set depending on the values at certain array indexes?

I have an array that contains multiple objects and each object has an array called data that contains multiple data. “datasets”: [ { data: [1227.0, 698.4, 2903.1, 7280.2, 5447.9] }, …

How can I remove a specific index from an array and then insert a new one on that same index?

I am trying to do one thing but I have 2 choices Remove a specific item/index from an array and then insert a new one in that same index. Do not remove the item but edit it with new data. I have …

How to use strict mode and not get an error in JSlint

Looking at all the information out there on JSlint (eg. here or here), the discussion goes something like this Always use strict mode since it catches many more errors. All you have to do is put ‘use …

How to concataecance object array values of duplicates

I have an object that contains duplicate id properties and I want to reduce them to one array for each. I only figured out a way to find unique ids, but how can I concat the name attribute? const x = […

Async generator class stuck on infinite loop javascript

I’m trying to get the following async generator to work: class MyIterator { constructor(m) { this.collection = m; } async *[Symbol.iterator]() { for (let item of this.collection) { …