CODEWITHSUNDEEP
javascripthtmlvue.jsvuejs2
Maniraj Murugan
Maniraj Murugan

Reputation: 9084

How to remove the selected data from an array in vue js?

I am in the need of splicing a data from the array, for which i have used the following,

Html:

           <div id="app">
                <select v-model="facilityAvailable" name="facilities" multiple="multiple" id="facilities" size="4" class="form-control">
                  <option v-for="availability in availableFacilities" v-bind:value="availability">{{availability.label}}--</option>
                </select>
                <a @click="removeFacilities" class="btn btn-default remove_option" rel="facilities2" id="remove"><i class="fa fa-arrow-left"></i></a>
                <a @click="addFacilities" class="btn btn-default add_option" rel="facilities2" id="add"><i class="fa fa-arrow-right"></i></a>
                <select v-model="facilitySelected" name="facilities" multiple="multiple" id="facilities2" size="4" class="form-control">
                  <option v-for="facility in selectedFacilities" v-bind:value="facility">{{facility.label}}</option>
                </select>

            </div>

Script:

new Vue({
  el: "#app",
  data: {
   facilityAvailable: [],
      facilitySelected:[],
      availableFacilities: [{
        value: 0,
        label: 'Double (Non a/c)'
      },
      {
        value: 1,
        label: 'Premium Double (a/c)'
      },
      {
        value: 2,
        label: 'Standard Double (a/c)'
      }
    ],
    selectedFacilities: [],
  },
  methods: {
    removeFacilities() {
    this.availableFacilities = this.facilitySelected.concat(this.availableFacilities);
    this.selectedFacilities.splice(this.availableFacilities.value,1);
    },
    addFacilities() {
    this.selectedFacilities = this.facilityAvailable.concat(this.selectedFacilities);
    this.availableFacilities.splice(this.selectedFacilities.value,1);
    }
  }
})

Here i am doing like transfer of one element from one select box to the other to another select box, for which i have used concat for adding to another and splice to remove that element.. Everything was fine upto this. But when i splice , it is splicing in the order of 0,1,2 i need to splice based on the index number of that particular element. In clear, i can select and remove the element in any order for which that particular element needs to be removed and gets transferred into second select box, whereas now if i remove it in the order as it was , its working fine but whereas if i change the order and splice its not working. Also when i select multiple elements and remove, the same thing happening. Kindly help me to solve this issue.

The fiddle link was, https://jsfiddle.net/pmvp3td6/9/

Upvotes: 1

Views: 1838

Answers (2)

Sylvain Attoumani
Sylvain Attoumani

Reputation: 1194

I'm not sure i understood right what you are looking for but try with that in your addFacilities : 

 addFacilities() {
    let i = 0;
    for(i; i<this.facilityAvailable.length;i++){ 
        this.selectedFacilities.push(this.facilityAvailable[i]);
        this.availableFacilities = this.availableFacilities.filter(facilities => facilities.value != this.facilityAvailable[i].value);
    }
}

If that's what you want you can do something similar in the remove part

Upvotes: 1

Shubham Patel
Shubham Patel

Reputation: 3289

Have a look at Element-UI's Transfer component. This should solve your problem.

Upvotes: 0

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