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- This code snippet contains three functions: loadFacebookEvents, loadGtagEvents, and loadSurvicateJs.
- * Purpose: This function loads the Facebook Pixel tracking code onto the page.
- * How it effectively works: * It uses an Instantly Invoked Function Expression (IIFE) to create a private scope and avoid polluting the global namespace.
This code snippet contains three functions: loadFacebookEvents, loadGtagEvents, and loadSurvicateJs. Let’s break down each one:
1. loadFacebookEvents()
* Purpose: This function loads the Facebook Pixel tracking code onto the page. The Facebook pixel is a snippet of JavaScript code that allows you to track visitor activity on your website. this data can be used for:
* Retargeting: Showing ads to people who have previously visited your website.
* Conversion Tracking: Measuring the effectiveness of your Facebook ad campaigns by tracking actions people take on your website after clicking on your ads (e.g., making a purchase, filling out a form).
* Lookalike Audiences: Creating audiences of people who are similar to your existing customers.
* How it effectively works:
* It uses an Instantly Invoked Function Expression (IIFE) to create a private scope and avoid polluting the global namespace.
* It checks if f._fbq exists.f is likely the window object. If f._fbq doesn’t exist, it initializes the Facebook Pixel object (n).
* It sets up the fbq function (likely short for Facebook Queue) which is used to send events to Facebook. It also sets properties like loaded and version.
* It creates a <script> tag to load the Facebook Pixel JavaScript file from https://connect.facebook.net/en_US/fbevents.js. The async and defer attributes are set to improve page load performance.
* It inserts the script tag into the <head> of the document.
* It initializes the Facebook Pixel with your Pixel ID (593671331875494) using fbq('init', '593671331875494').Significant: This is your unique identifier for your Facebook Pixel.
* It tracks a PageView event using fbq('track','PageView'). This event is fired every time a page loads, allowing you to track website traffic.
2. loadGtagEvents(isGoogleCampaignActive)
* purpose: This function loads the Google Tag manager (GTM) script onto the page, but only if isGoogleCampaignActive is true. Google Tag Manager is a tag management system that allows you to easily add and manage marketing tags (e.g., Google Analytics, google Ads conversion tracking) on your website without having to modify the code directly.
* How it effectively works:
* It checks if isGoogleCampaignActive is false. If it is, the function returns early, preventing the GTM script from loading.This is a conditional loading mechanism.
* It checks if an element with the ID toi-plus-google-campaign already exists. If it does, the function returns early. This prevents the GTM script from being loaded multiple times.
* It uses an IIFE to create a private scope.
* It creates a <script> tag to load the GTM script from https://www.googletagmanager.com/gtag/js?id=AW-877820074. The async and defer attributes are set to improve page load performance. The id attribute is set to toi-plus-google-campaign.
* It inserts the script tag into the <head> of the document. The AW-877820074 is likely a Google Ads conversion ID.
3. loadSurvicateJs(allowedSurvicateSections = [])
* Purpose: This function loads the survicate survey