I am interested in learning about the code and mechanism that detects when a specific section of a webpage has been viewed (purely for educational purposes).
For instance, on websites like StackExchange it tracks when someone has thoroughly read the "about" page (and gives them a badge). What kind of function/code/language is responsible for monitoring this?
Or alternatively, how can I locate and identify the source of this function within a webpage's code?
Incorporating JavaScript into your website allows you to monitor how much a user has scrolled down the page. By setting a specific threshold, such as 80% of the article length, you can trigger an AJAX request to record when the user reaches that point.
Here's a simple demonstration using jQuery:
$('body').scroll(function () {
if($(this).scrollTop() > 1000) {
// Initiate the AJAX request
}
});
Keep in mind that you may need to adjust the value of 1000 depending on the length of your article to ensure accurate tracking for users scrolling through different lengths of content.
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