typescript insert

 push object to an array at particular array position.

const basedm="www."+this.array3[0].value;

     this.array3.splice(1,0,{"value":basedm,"domainSimble":0,"units":0,"Include":true});

at position 2 means index 1 it will add imp

made html required by ts component

[required]="triptype"

give this value in ts triptype:any;

later handle required condition