I want all the values of i for which the number is repeating in newArr array. Statement (a) gives me the indices and I want to store them in an array named rem. However console.log(rem[0]) is undefined. What can I do? Answer you mean this?
Tag: arrays
How can I conditionally map multiple arrays with if statements after fetching an array of objects? (React)
This is all in Prescriptions.js I am fetching a bunch of prescription drugs from my api. After that’s done, I want to make a category array based on drug.class and render it down there. If that category already exists, then push the drug into it’s category’s array, if it doesn’t, make a new array based on that category, push the
Cross reference names on spreadsheets to get specific data points (looping through an array)
I have two sheets. Test Data has 3-4k entries of many columns of data and Order Changes has no data at all. I would like to search two specific columns on Test Data, a column of names and a column of yes or no. If column two of Test Data contains a ‘yes’ in the cell then the name of
Object.entries() time complexity
Does anyone know the complexity of Object.entries() in Javascript? Based on this question I’d guess at maybe O(n) as well if it’s implemented by obtaining the keys and values as arrays then zipping them together? Answer (V8 developer here.) Short answer: yes, the complexity of Object.entries() is O(n) in most cases. For large objects (thousands of properties), it is O(n
array of arrays in js function
I was doing some tasks with this function, but for some reason it does not return values as I think it should. function intersection(arrays) { return arrays; } console.log(intersection([5, 10, 15, …
How to get the position information of a value of an array inside loop
I need to get the information of a position of an array inside the loop. I’ve two variables. So, the array would be look like this according to the value of i (in loop): Now, I’ve to produce an array of information. Detailed architecture of this is here: I wan’t to prepare this positions array differently according to the position
Check if url contains blacklisted strings javascript
If i have an array of blacklisted words like so: and I’d like to check if myLink I got through a.getAttribute(“href”) contains one of those words what’d be the best way to go? Right now i’m trying this but it doesn’t work: full section: Answer Are you in a situation where you’re unable to use Array.prototype.findIndex? (I.e. you must support
How get the Employee Title from Admin Directory?
I’m expecting to get the job title of the user via using google app script, but I’m getting the log print as follows The below is my code What I’m trying to do is get only the title of the employee. I’ve tried adding [1] or [2] or [3] after the .orgainizations object but it doesn’t work. What would be
How to selectively insert keys to an object inside an array of objects based on condition like whether the value array is empty or not in Node.js
Here is the sample code block where I am inserting an object to an array of object through push method : How can I stop inserting the keys – content (string) , links (array) or images (array) to the array of objects when they are empty effectively in Node.js. Answer You can use the spread operator to conditionally add an
Node.js javascript: Reduce Array of Object by Multiple Key Value
I have the following array of objects in a Node.js script: What I need is to have this grouped by the start and assigned_agent keys. I have tried filter function examples but no luck. Not, there are other key/value pairs in the array but omitting them for the sake of clarity. Also, while this is a Node.js script I do