Array iteration early exit options -- best options are lodash.forEach or Array#some.

array-early-exit-options.js

/**
 * Use `Array#some` when it is convenient to exit on truthy return values
 * Use `lodash.forEach` when it is convenient to exit on false (you can cast if necessary with `!!`)
 */

var _ = require('lodash');
var numbers = [1, 2, 3, 4, 5, 6];

console.log('Array#forEach (result not as expected)');

numbers.some(function (number) {
  console.log(number);
  if (number >= 4) return;
});

console.log('Array#some (result as expected)');

numbers.some(function (number) {
  console.log(number);
  if (number >= 4) return true;
});

console.log('_.forEach (result as expected)');

_.forEach(numbers, function (number) {
  console.log(number);
  if (number >= 4) return false;
});