function filter_name(str)
{
	if (str.length == 0) {
		articles.forEach(article => article.style.display = "block");
	} else {
		articles.forEach(article => article.style.display = article.dataset.title.indexOf(str.toLowerCase()) === -1 ? "none" : "block");
	}
}

let articles = Array.from(document.querySelectorAll("article"));
document.querySelector("#search").style.display = "inline-block";