I have an array with numbers. I would like to put the numbers in order and create new array with duplicats in the same array(array in array). Can someone please help me step by step. I would really like to understand Answer You can extract unique values using Set, then sort them (because sorting an array of a…
Tag: javascript
Compare and Filter Object Array in javascript
How to determine the cheapest and fastest rate and get the value in single object. cheapest is determined by using netfee having least value fastest is determined by using speed having less days best is determined by using amount having highest value I got stuck and let know is any alternative solution. Answe…
Vuelidate: setting $model does not update component
Given the following Vue component that uses Vuetify and Vuelidate: I would like to programmatically change the value of this.picker. I tried both changing the v-model as well as the Vuelidate $model: and Neither of them caused a change in the UI nor produced an error message. How can I programmatically update…
How to write this window.history.go(-historyCount) correct
In a piece of code that I am writing, I need the user to go back in its history depending on the number of products there are in a shopping cart. So I wrote this code: But as I expected this part is written wrong. window.history.go(-historyCount); I don’t know the naming so it is really difficult for me…
Return subset of JSON Object using Javascript map() function
My question is if there is a simple way to return a subset of JSON object that will contain all ‘columns’ rather than specifying individually which ‘columns’ to return. In particular, I have a multi-column csv file converted to JSON. The function below returns a subset of that object &…
Calculation in jquery
Trying to get Break Even Point (BEP) and selling value using jquery. Now by running the above code, I entered 1 in the input, so the result (BEP) should be 0, but it gives NaN Answer Because your answer returns with e so it shows NaN. Try: This will give you the result 0.00000000. If you need a result as
How do I `.filter()` an array/object and return a new array with the original keys and not as an indexed array/object as filter return?
I want to filter all (“isActive” === 0) but keep the key set the same (which is equal to the user id) when returning the newObj: This is what I have now: which returns indexed keys no for loops (unless the ES6 .forEach() is a must). I would like an ES6 approach to this problem using filter/map/red…
catch and handle connection refused error using Axios
I use Axios for my VueJs app and have a Express REST Api. When my VueJs app is not able to call the backend (connection refused / the node server is not running) How can I catch this error? I tried to log the error using an interceptor but when logging the err I only get Error: Network Error with
On validation prevent calender control to open
I want to prevent open calendar control on save button at time of validation fire , I am not able to find how can I prevent It I have one calendar control in form , select date validation fire on save button after validation it will direct focus on calendar control and open calendar automatically , business d…
Using an async function in Array.find()
It seems I’m unable to use an async function as the first argument to Array.find(). I can’t see why this code would not work what is happening under the hood? https://codesandbox.io/s/zk8ny3ol03 Answer Simply put, find does not expect a promise to be returned, because it is not intended for asynch…