A humble suggestion for more readability (warning: opinionated): const reposInfoHTML = repos .map(repo => `<div class="container">

A humble suggestion for more readability (warning: opinionated): const reposInfoHTML = repos .map(repo => `<div class="container"> <div class="item names"> <div> <a href="${repo.repoUrl}">${repo.name}</a> </div> </div> <div class="item language"> <div>${repo.language || "Unknown"}</div> </div> <div class="item stars"> <div>★${repo.stars}</div> </div> </div>`); $(".repositories").append(reposInfoHTML.join(''));