JS Найти массив возврат верно ложь
['one', 'two'].some(item => item === 'one') // true
['one', 'two'].some(item => item === 'three') // false
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['one', 'two'].some(item => item === 'one') // true
['one', 'two'].some(item => item === 'three') // falselet obj = {"num1":1, "num2":2, "num3":3, "num4":4, "num5":5};
var firstEven = null;
// Some returns a boolean value.
Object.values(obj).some((item) => {
// Loop breaks as soon as the condition has been met.
// Getting your value, can be used like:
if (item == 2) {
firstEven = item;
}
return item % 2 == 0;
}); // Results in trueconst array = [1, 2, 3, 4, 5];
// checks whether an element is even
const even = (element) => element % 2 === 0;
console.log(array.some(even));
// expected output: true
const fruits = ['apple', 'banana', 'mango', 'guava'];
function checkAvailability(arr, val) {
return arr.some(function(arrVal) {
return val === arrVal;
});
}
checkAvailability(fruits, 'kela'); // false
checkAvailability(fruits, 'banana'); // true[2, 5, 8, 1, 4].some(isBiggerThan10); // false
[12, 5, 8, 1, 4].some(isBiggerThan10); // true