app.js

const linkCategory = document.querySelector("#linkCategory");
const submitButton = document.querySelector("#submitButton");

let linkCategories = [];
let links = [];

linkCategory.addEventListener('keydown', function (event) {

	if (event.keyCode === 188) {
		event.preventDefault();

		linkCategories.push(linkCategory.value);

		linkCategory.value = '';

		//Display the updated categories
		displayLinkCategories();
	}
})

function displayLinkCategories() {
	console.log("Displaying Link Categories");
}


submitButton.addEventListener('click', (event) => {

	//Stop form from submitting
	event.preventDefault();

	const title = linkTitle.value;
	const url = linkUrl.value;
	const categories = linkCategories;

	const newLink = {
		title,
		url,
		categories
	}

	//push new link to array
	links.push(newLink);

	linkTitle.value = '';
	linkUrl.value = '';
	linkCategory.value = '';
	linkCategories = [];

	displayLinkCategories();

});