How to create an array and add data to it in vue

Question

I am trying to create a simple array that would copy already existing data from array of objects in an API.

All of this I do in the part of the code. I declare my array in:

data() {
   return {
      Data: null, //this is getting data from API correctly I am interested in Data.hourly[i].dt values(Data.hourly[0].dt = some value (works))
      timetable: [] }}

later I made a method in methods(which I call I checked it) to methods:

insertTimeTable(){
  for (i in Data.hourly) 
  {
    this.timetable.push({
      date: this.Data.hourly[i].dt})
  }
}

How to make it work and why it does not?

Aliasgher Nooruddin · Accepted Answer · 2020-12-06 16:04:38Z

1

you are forgetting to add this to Data.hourly in for loop

insertTimeTable(){
  for (let i in this.Data.hourly) 
  {
    this.timetable.push({
      date: this.Data.hourly[i].dt})
  }
}

edited Dec 6, 2020 at 16:04

answered Dec 6, 2020 at 15:50

Aliasgher Nooruddin

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3 Comments

Mikołaj Kawalec Over a year ago

Right, but it still won't work even with this fix.

Aliasgher Nooruddin Over a year ago

one issue could be that you are getting the value from API... maybe function insertTimeTable() gets called before the value is passed to Data object

Aliasgher Nooruddin Over a year ago

I have updated my code, you need to declare variable you are using inside for loop..

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