js some method code example

Example 1: javascript some

const age= [2,7,12,17,21];

age.some(function(person){
return person > 18;}); //true

//es6
const age= [2,7,12,17,21];
age.some((person)=> person>18); //true

Example 2: javascript array some

let array = [1, 2, 3, 4, 5];

//Is any element even?
array.some(function(x) {
  return x % 2 == 0;
}); // true

Example 3: javascript 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'); // true

Example 4: js some

movies.some(movie => movie.year > 2015)
// Say true if in movie.year only one (or more) items are greater than 2015
// Say false if no items have the requirement (like and operator)

Example 5: some js

[2, 5, 8, 1, 4].some(isBiggerThan10);  // false
[12, 5, 8, 1, 4].some(isBiggerThan10); // true

Example 6: js object some

let 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 true