js/index-min.js

$("button").on("click",function(){var t=$("#account").val(),e="&lt;div id='lever-jobs-container'&gt;&lt;/div&gt;&lt;script type='text/javascript'&gt;window.leverJobsOptions = {accountName: '"+t+"', includeCss: true};&lt;/script&gt;&lt;script type='text/javascript' src='https://andreasmb.github.io/lever-jobs-embed/index.js'&gt;&lt;/script&gt;";$(".success, .error").remove(),t.length?$("#code").append('<p class="success">'+e+"</p>"):$("#code").append('<p class="error">You need to enter your account name</p>')});