let arr=[{id:1,title:'A', status:true}, {id:3,title:'B',status:true}, {id:2, title:'xys', status:true}];
//find where title=B
let x = arr.filter((a)=>{if(a.title=='B'){return a}});
console.log(x)//[{id:3,title:'B',status:true}]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']// filter(): returns a new array with all elements that pass the test
// If no elements pass the test, an empty array will be returned.
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"]
// let arr = [1,2,3]
/*
filter accepts a callback function, and each value of arr is passed to the
callback function. You define the callback function as you would a regular
function, you're just doing it inside the filter function. filter applies the code
in the callback function to each value of arr, and creates a new array based on your
callback functions return values. The return value must be a boolean, which denotes whether an element
should be keep or not
*/
let filteredArr = arr.filter(function(value){
return value >= 2
})
// filteredArr is:
// [2,3]
var newArray = array.filter(function(item)
{
return conditional_statement;
});