Ejemplo 1: mecanografiado de filtro de matriz angular
ngOnInit() {
this.booksByStoreID = this.books.filter(
book => book.store_id === this.store.id);
}
Ejemplo 2: filtro de matriz de JavaScript
var words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
console.log(result);
Ejemplo 3: .filter js
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"]
Ejemplo 4: como funciona la función filter () javascript
const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9];
const filter = arr.filter((number) => number > 5);
console.log(filter); // [6, 7, 8, 9]
Ejemplo 5: filtro de matriz de JavaScript
var numbers = [1, 3, 6, 8, 11];
var lucky = numbers.filter(function(number) {
return number > 7;
});
// [ 8, 11 ]
Ejemplo 6: array.filter en javascript
//Eg 1 - If item is unchecked, remove it from array
const array = [2, 3, 4]
if (event.target.checked) {
newValue.push(option);
} else {
newValue = newValue.filter(item => item.id != option.id);
}
//If false, it will remove the element. 2 is not equal to 2.
//Eg 2 - To return an array with length > 6
const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter(word => word.length > 6);
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