lodash _ findindex examples

Example: lodash _ findindex examples

var users = [  { 'user': 'barney',  'active': false },  { 'user': 'fred',    'active': false },  { 'user': 'pebbles', 'active': true }]; _.findIndex(users, function(chr) {  return chr.user == 'barney';});// => 0 // using the `_.matches` callback shorthand_.findIndex(users, { 'user': 'fred', 'active': false });// => 1 // using the `_.matchesProperty` callback shorthand_.findIndex(users, 'active', false);// => 0 // using the `_.property` callback shorthand_.findIndex(users, 'active');// => 2

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