11. Sanitizing the NYT API Data

HTML

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<div id="app">
<span id="placeholder"></span>
</div>

JavaScript

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/* Before rendering API data into the DOM as markup, 
sanitize it to protect yourself from any malicious code that might get sent back. */

const appOutput = document.querySelector('#app');
const apiKey = 'T6l8P8ICK6XZr1u3OeA0qoGUFrEcSM5R';
const sections = ['Technology', 'Science', 'Magazine'];
const articleNum = 3;

const render = function (articles, section) {
appOutput.innerHTML += '<h3 class="category">' + section + ':' + '</h3>' + articles.map(function (article) {
return (`
<div class="container">
<ul class="title">
<li>${sanitizeHTML(article.url)}</li>
<a class="link" href="${sanitizeHTML(article.url)}" target="_blank">Read more</a>
</ul>
</div>
<br>
`);
}).join('')
};

const getLastNStories = function (articles) {
return articles.slice(0, articleNum)
}

const getStories = function (section) {
fetch(`https://api.nytimes.com/svc/topstories/v2/${section}.json?api-key=${apiKey}`).then(
function (response) {
if (response.ok) {
return response.json();
} else {
return Promise.reject(response);
};
}).then(function (data) {
const lastNStories = getLastNStories(data.results);
render(lastNStories, section);
}).catch(response => {
console.log("something went wrong", response);
appOutput.textContent = "Something went wrong...";
});
};

sections.forEach(function (section) {
getStories(section);
});