Finally, we replace the src of our img element with the source URL of the image and show it! What this’ll basically do is allow us to solve two things: Same basic lazy loading concept, but another way to go about it. We’d be remiss if we didn’t make a note about browser support. And then, after creating the Intersection Observer, we attach it to our element using the observe method. 20 October 2019. What is a custom directive? Progressive Image Lazy Loader For Vue.js – v-lazy-image. You can tell by name,Preloading of images->When the user needs to view the image, it can be directly retrieved from the local cache (loaded in advance),Lazy loading of pictures->It is a kind of server front-end optimization, when the number of images that users visit at one time is relatively large, which will reduce the number of requests or delay requests One way is to dynamically import the Emojipicker Vue component using dynamic import wrapped in a function i.e => import("./Emojipicker").Typically doing this will have Vue.js lazy-load the … For this post, we’ll go without a plugin or package and we’re going to be writing a simple JavaScript function that fetches a new set of data when scrolled to the bottom of the browser window. That callback will be responsible for hiding the spinner and adding the animation (fade-in effect) to the image using a CSS class. We iterate through entries and check if a single entry becomes visible to our user with isIntersecting — and fire the loadImage function if it is. I haven’t really delved into server-side rendering, but perhaps having some dynamic