multi select dropdown search

<div class="row"> <div class="col-md-12"> <select class="mdb-select colorful-select dropdown-primary md-form" multiple searchable="Search here.."> <option value="" disabled selected>Choose your country</option> <option value="1">USA</option> <option value="2">Germany</option> <option value="3">France</option> <option value="4">Poland</option> <option value="5">Japan</option> </select> <label class="mdb-main-label">Label example</label> <button class="btn-save btn btn-primary btn-sm">Save</button> </div> </div>

multiselect dropdown with checkbox typescript

onChange(index_val) {
    this.zoneModel = []
    if (index_val == 0 && this.zonesList[0].checked == true) {
      for (let i = 1; i < this.zonesList.length; i++) {
        this.zoneModel.push(this.zonesList[i].houzeyZoneName)
        this.zonesList[i].checked = true;
        this.zoneFlag = true;
      }
    } else if (index_val == 0 && this.zonesList[0].checked == false) {
      for (let i = 1; i < this.zonesList.length; i++) {
        this.zonesList[i].checked = false;
        this.zoneFlag = false;//testing
      }

    } else if (index_val > 0) {

      for (let i = 1; i < this.zonesList.length; i++) {
        if (this.zonesList[i].checked == true) {
          this.zonesList[i].checked = true;
          this.zoneFlag = true;
          this.zoneModel.push(this.zonesList[i].houzeyZoneName)
          if (this.zoneModel.length == this.zonesList.length - 1) {
            this.zonesList[0].checked = true;
          }
        } else {
          //this.zoneFlag = false;//testing
          this.zonesList[i].checked = false;
          if (this.zonesList[0].checked == true) {
            this.zonesList[0].checked = false;
          }

        }
      }
    }



  }

Posted by: Guest on March-20-2021

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