Filtr tablicy kątowej
ngOnInit() {
this.booksByStoreID = this.books.filter(
book => book.store_id === this.store.id);
}
Bad Badger
ngOnInit() {
this.booksByStoreID = this.books.filter(
book => book.store_id === this.store.id);
}const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length < 6);
console.log(result);
//OUTPUT: ['spray', 'limit', 'elite']var words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);const persons = [
{name:"Shirshak",gender:"male"},
{name:"Amelia",gender:"female"},
{name:"Amand",gender:"male"}
]
//filter return all objects in array
let male = persons.filter(function(person){
return person.gender==='male'
})
console.log(male) //[{name:"Shirshak",gender:"male"},{name:"Amand",gender:"male"}]
//find return first object that match condition
let female = persons.find(function(person){
return person.gender==='female'
})const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);
// expected output: Array ["exuberant", "destruction", "present"]const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 5)
console.log(result);
// expected output: Array ["exuberant", "destruction", "present"]
array filter