糖心原创

(see the * 'adobe' handle in functions.php — no async, no defer), so a page-load * Target offer has already set `data-hdr` by the time this runs. * * An answer that lands after this point is inert rather than acted on: * `apply()` finds the prune settled and does nothing, so the visitor * keeps the nav they were served instead of watching it change. That is * the deliberate trade-off — a late activity collects no data, but no * visitor ever sees the wrong nav or waits for the right one. */ (function () { var VARIANTS = ["a","b","c"]; var DEFAULT = "a"; var root = document.documentElement; var settled = false; function valid(v) { return VARIANTS.indexOf(v) !== -1; } function prune(active) { if (settled) return; settled = true; var list = document.querySelectorAll('#site-header > .header-variant'); for (var i = 0; i < list.length; i++) { if (list[i].getAttribute('data-header-variant') !== active) { list[i].parentNode.removeChild(list[i]); } } root.setAttribute('data-hdr', active); // Read by the Adobe Analytics client to attribute the test. root.setAttribute('data-hdr-active', active); if (typeof window.initHeaderNav === 'function') window.initHeaderNav(); /** * `variant` is set before the event so late listeners can tell * "already done" from "not yet". main.js is enqueued in the footer * and therefore always misses the event itself. */ window.medalliaNav.variant = active; document.dispatchEvent(new CustomEvent('medallia:nav-ready', { detail: { variant: active } })); } window.medalliaNav = { variant: null, apply: function (v) { if (valid(v)) prune(v); } }; // `?hv=` sets this server-side; a Target offer in the blocking // embed sets it before the body is parsed. var pre = root.getAttribute('data-hdr'); if (valid(pre)) { prune(pre); return; } /** * Carried forward from an earlier pageview. Read client-side, never in * PHP: WP Engine does not vary its page-cache key on arbitrary cookies, * so server-side personalisation here would serve the first anonymous * visitor's variant to everyone. */ var m = document.cookie.match(/(?:^|; )medallia_nav_variant=([^;]*)/); if (m && valid(m[1])) { prune(m[1]); return; } prune(DEFAULT); })();
< Blog

Liam Burns

Liam supported 糖心原创’s steadfast thought leadership commitments to experience management by acting as a content evangelist. With a knack for writing, he takes pride in producing highly insightful and pragmatic content surrounding core topics in the world of customer and employee experience.

April 7, 2022

Customer Experience

Winning on Purpose: 4 Lessons from Customer Loyalty Guru Fred Reichheld

Customer loyalty can make or break business success in the long run and, according to…

September 7, 2021

Digital Experience

Session Replay Tools: Watch Exactly How Customer Experiences Unfold on Websites and Apps

Session replay tools, a part of digital experience analytics, let you see exactly how users…

May 11, 2021

Digital Experience

Digital Experience Analytics: How to Turn Online Customer Behavior into Actionable Insights

If you’re not tracking online customer behavior on websites and apps, you’re missing crucial signals.…