How to get the length of a vue array?

Question

Vue.js

Hello.
There is an array that lies in data

data () {
    return {
      arrayLength: array.length, // тут я делаю не правильно, я знаю
      array: [
        {
          title: '0'
        },
        {
          title: '1'
        },
        {
          title: '2'
        },

... and the length of which I want to put here: How to do it correctly? Thank you.
<p>{{ arrayLength }}</p> // должно получится 3

Answer 1

in computed, you can calculate the length of the array and return it to the desired variable in data, set the initial value of this variable in the date arrayLength: null
or in created if when initializing the page, see how you need