vuejs: how to pass the value to data as Array?

Question

I'm passing the value of object as props into my "data" studentId inside the form

data() {
    return {
      form: new Form({
        studentId: []
      })
    };
  },

In my method, the classlists has initial value, which are the id of students

insertScore() {
      let students = this.classlists;   //<---this is my props
      let element = [];
      let s = [];
      for (let index = 0; index < students.length; index++) {
        element = students[index].id; 
      }
    }

        //id: 7
        //id:29
        //id:30

What i need is to make my classlists ids to be an array and store it into my studentId like studentId = [7,29,30] , but what i'm getting when i console.log is separate Ids

Props:

DedaDev · Accepted Answer · 2019-09-21 12:49:08Z

1

I'm not sure if this is what are you trying to achieve but if you want new array with only specific property from the classlist, this should do work.

insertScore() {
    const elements = this.classlists.map(e=>e.id)
}

answered Sep 21, 2019 at 12:49

DedaDev

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4 Comments

cupcave Over a year ago

yes,this did the work. the elements return as an array, but I also need this to pass into my studentId.

cupcave Over a year ago

const elements = this.classlists.map(e => (this.form.studentId = e.id)); i tried this but what i get is only the last value

DedaDev Over a year ago

just add a line at the bottom this.form.studentId = elements inside insertScore

cupcave Over a year ago

oh i alerady get the studentId const elements = this.classlists.map(e => e.id); this.form.studentId = elements;. Thank you for your help

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