Tag: intersection-observer

Dynamic class binding doesn’t work in Vue

css dynamic-class intersection-observer javascript vuejs2

I’m using Vue2 and I face some problems with dynamic class binding (highlight in the navigation menubar the current section name in which the user is currently). I’m using the Intersection observerAPI which I initialize and let it loop over my components from the mounted() life hook. However, when I update the current section in my observer: (For full code

intersection observer works only for the first video

intersection-observer javascript jquery

I need to pause a video if it is not in view the below code works only for the first video in list how to make it working for all .bvideo ? Answer Use querySelectorAll() method.

Use IntersectionObserver To Trigger Event AFTER Element Completely Passes Threshold

intersection-observer javascript

I have a few IntersectionObserver’s set up. observer toggles new boxes to be made as the user scrolls down the page. lastBoxObserver loads new boxes as this continuous scrolling happens. What I would like to do is change the color of a box once it leaves the threshold set in the first observer (observer – whose threshold is set to

why does intersection observer keeps on running?

intersection-observer javascript

I want to change the class of the header using intersection observer. The idea here is that I have a header with full height and width and when we scroll down to another div the header shrinks to a small bar. This is my javascript code. This is my markup This is my scss file The problem I am facing

IntersectionOberserver with newly appearing Elements

intersection-observer javascript reactjs

In a react project we have an element “stickyButton” that is fixed on the bottom of the viewport on mobile. It is supposed to be displayed as long as none of some other buttons are visible. So, we try to use IntersectionObserver to check if these buttons are visible Each time a button becomes visible we add it to an

Capturing product impression without making the website slow

angular intersection-observer javascript typescript

I am working on a website where we have thousands of products. I have to capture the impression of all products users can see in their viewport. So I created a directory and I used IntersectionObserver, and referred to it inside the HTML code of that product. The issue is that it’s causing a performing impact on the mobile site

IntersectionObserver does not work on small screens for long sections JS

ecmascript-6 intersection-observer javascript

This script issues the active class for the active section. Recently noticed that it stops working on small screens. Even in the developer’s console in chrome, I will start to increase the screen size and it will appear, as soon as I start to reduce it immediately stops working (the active class disappears). But only for one long section, in

Testing code that uses an IntersectionObserver

intersection-observer javascript qunit unit-testing

I have a JavaScript component in my application that handles infinite scroll pagination, and i’m trying to rewrite it to use the IntersectionObserver, as described here, however I’m having issues in testing it. Is there a way to drive the behavior of the observer in a QUnit test, i.e. to trigger the observer callback with some entries described in my