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// .find method only accepts a callback function
// and returns the first value for which the function is true.
const cities = [
"Orlando",
"Dubai",
"Denver",
"Edinburgh",
"Chennai",
"Accra",
"Denver",
"Eskisehir",
];
const findCity = (element) => {
return element === "Denver";
};
console.log(cities.find(findCity));
//Expected output is 4 (first instance of "Denver" in array)
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const inventory = [
{name: 'apples', quantity: 2},
{name: 'cherries', quantity: 8}
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
{name: 'cherries', quantity: 15}
];
const result = inventory.find( ({ name }) => name === 'cherries' );
console.log(result) // { name: 'cherries', quantity: 5 }
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const products = [
{ name: 'Laptop', price: 32000, brand: 'Lenovo', color: 'Silver' },
{ name: 'Phone', price: 700, brand: 'Iphone', color: 'Golden' },
{ name: 'Watch', price: 3000, brand: 'Casio', color: 'Yellow' },
{ name: 'Aunglass', price: 300, brand: 'Ribon', color: 'Blue' },
{ name: 'Camera', price: 9000, brand: 'Lenovo', color: 'Gray' },
];
const bigNumbers = products.find(product => product.price > 4000);
console.log(bigNumbers);
//output:{ name: 'Laptop', price: 32000, brand: 'Lenovo', color: 'Silver' }
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const inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];
function isCherries(fruit) {
return fruit.name === 'cherries';
}
console.log(inventory.find(isCherries));
// { name: 'cherries', quantity: 5 }
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const inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];
function isCherries(fruit) {
return fruit.name === 'cherries';
}
console.log(inventory.find(isCherries)); // { name: 'cherries', quantity: 5 }
/* find মেথড অলওয়েজ অ্যারের সরাসরি ভ্যালু রিটার্ণ করে।
অর্থাৎ কন্ডিশনের সাথে মিলে যাওয়ার পরে যে কারণে মিলসে সেই লজিক অনুযায়ী
ঐ অ্যারে থেকে প্রথম ভ্যালুটা রিটার্ণ করে। সে কারণে এখানে অ্যারের পুরো ভ্যালুটা আউটপুট হিসেবে দেখাচ্ছে। */
// Same Code Using Arrow function & destructuring technique
const inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];
const result = inventory.find( ({ name }) => name === 'cherries' ); // ({name})==> destructuring technique
console.log(result); // { name: 'cherries', quantity: 5 }
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const users = [
{id: 1, name: "test user 1"},
{id: 2, name: "test user 2"}
];
const found = users.find(user => user.id === 1);
const notFound = users.find(user => user.id === 99)
console.log(found) // { id: 1, name: 'test user 1' }
console.log(notFound) // undefined
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const list = [5, 12, 8, 130, 44];
// a find metóduson belül a number egy paraméter
// azért nem szükséges köré a zárójel, mert csak egy paramétert adunk át
// minden más esetben így kell írni:
// const found = list.find((index, number) => number > index);
const found = list.find(number => number > 10);
console.log(found);
// --> 12
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const videos = ['html', 'css', 'javascript'];
//find return first element
// when return statement become true
const searchTutorial = videos.find(function (video) {
return videos.includes('html course');
});
console.log(searchTutorial);
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//find is higher oder function that return only if condition is true
const names= ["Shirshak","SabTech","Kdc"]
const searchName = names.find(function(name){
return names.inclues("Shirshak")
})
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The first element that will be found by that function
const f = array1.find(e => e > 10);