Warning: session_start(): Session cannot be started after headers have already been sent in /home/tvrreohg/public_html/manga.php on line 13
# `has()` The has method determines if one or more keys exists in the collection: ```js const collection = collect({ animal: 'unicorn', ability: 'magical', }); collection.has('ability'); // true collection.has(['animal', 'ability']); // true collection.has(['animal', 'ability', 'name']); // false ``` [View source on GitHub](https://github.com/ecrmnn/collect.js/blob/master/src/methods/has.js)