angular - How to filter elements of array based on id in Ionic2? -


i developing mobile app using ionic2. intent dynamically insert people in homepage. whenever click person, list of dynamically added items correlated person (with id) should show up. not able filter items each person, how can filter items specific person id?

this home add new people entries:

  public people:{personname:string, personid:string}[] = [];    //will load people in array   ionviewwillenter(){     //addpersons constructed addpersonsservice     this.people = this.addpersons.getpeople();   }    //from html, parse personid array   //it redirect list of items specific person   viewdebts(personid:string){        this.navctrl.push(debtslistpage, personid);    }

this addpersonsservice

public people: {personname:string, personid:string}[] = [];  //this called upon click html addperson(person:{personname:string, personid:string}  ){     this.people.push(person); }  getpeople(){        return this.people.slice(); }  generateid(id:string){     return id;  }

in here displaying items each person

  debtvalue:{persondebt:string, personid:string}[] = [];    //this list of items displayed   ionviewwillenter(){     var id = this.navparams; //getting id previous page     this.debtvalue = this.debts.getpersonsdebt(id); //debts comes displaydebtsservice   }     //adding item   adddebts(debt:{persondebt:string, personid:string}) {     this.debts.adddebt(debt);    }

and displaydebtsservice

  public debt:{persondebt:string, personid:string}[] = [];     adddebt(debt:{persondebt:string, personid:string}){       this.debt.push(debt);   }    getpersonsdebt(id:any){       //this struggling. how filter results based on id of person?         return this.debt;   }

thanks help

have try .find()? .. or .filter() ..

but here think find() better cause you're filter id ..which looks pk key .. aspect 1 person returning method , not more (like filter() )

something like: 

getpersonsdebt(id:any){       //this struggling. how filter results based on id of person?         return this.debt.find(p=> p.id === id);   }

hope helps you


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