型の確認

by s_hiroshi

HTML

<ul>
<li class="item">1200</li>
<li class="item">1300</li>
</ul>

JavaScript

let lists = document.querySelectorAll('.item');

/*
 * listsの型 => NodeList
 */ 
 console.log(Object.getPrototypeOf(lists));
 console.log(typeof lists);
 

/*
 * li要素の型 => HTMLLIElement
 */
lists.forEach((elem) => console.log(elem.constructor));