js find array return true false
['one', 'two'].some(item => item === 'one') // true
['one', 'two'].some(item => item === 'three') // falsejs find array return true false
['one', 'two'].some(item => item === 'one') // true
['one', 'two'].some(item => item === 'three') // falsejavascript array some
let array = [1, 2, 3, 4, 5];
//Is any element even?
array.some(function(x) {
return x % 2 == 0;
}); // truejavascript some
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'); // truejavascript array any
const 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: truejs any array
// There's no isEmpty or any method.
// You can define your own .isEmpty() or .any()
Array.prototype.isEmpty = function() {
return this.length === 0;
}
Array.prototype.any = function(func) {
return this.some(func || function(x) { return x });
}Copyright © 2021 Codeinu
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