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Size: 1.96 KB
Versions: 153
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Stored size: 1.96 KB
Contents
const QUERYSELECTOR_IN_LANDING_PAGES = 'nav.nav-landing' // <nav> element in landing pages
const FORM_WRAPPER_QUERYSELCTOR = 'div.wFormContainer' // <div> element from TargetX form in landing pages
const GET_STARTED_BUTTON_QUERYSELECTOR = 'a[href="#page-top"]'; // call-to-action Button at the bottom of landing pages
const FIRST_NAME_INPUT_QUERYSELECTOR = '.inputWrapper input[placeholder="First Name"]'; // First Name <input> element from the TargetX form in landing pages
// Custom JS to scroll the user to the top of the page & focus the first field (First Name input) of the form
function selectInputEl(inputElQuerySelctorString) {
const inputEl = document.querySelector(inputElQuerySelctorString);
return inputEl.select();
}
function distanceToTop(el) {
return Math.floor(el.getBoundingClientRect().top);
}
function clickHandler(e) {
const targetId = e.target.getAttribute('href').replace(/^#/, '');
const targetEl = document.getElementById(targetId);
const originalTop = distanceToTop(targetEl);
e.preventDefault();
window.scrollBy({ top: originalTop, left: 0, behavior: 'smooth' });
const checkIfDone = setInterval(function() {
const atBottom = window.innerHeight + window.pageYOffset >= document.body.offsetHeight - 2;
if (distanceToTop(targetEl) === 0 || atBottom) {
selectInputEl(FIRST_NAME_INPUT_QUERYSELECTOR);
clearInterval(checkIfDone);
}
}, 100);
}
function addClickEventListener(querySelectorString) {
const el = document.querySelector(querySelectorString);
el.addEventListener('click', clickHandler)
}
function landingPageInit() {
const requiredPageElements = document.querySelector(QUERYSELECTOR_IN_LANDING_PAGES) && document.querySelector(FORM_WRAPPER_QUERYSELCTOR) && document.querySelector(GET_STARTED_BUTTON_QUERYSELECTOR) && document.querySelector(FIRST_NAME_INPUT_QUERYSELECTOR);
if ( ! requiredPageElements )
return;
addClickEventListener(GET_STARTED_BUTTON_QUERYSELECTOR);
}
export default landingPageInit;
Version data entries
153 entries across 153 versions & 1 rubygems