did-i-see

A lightweight function that executes callback when we see specific DOM elements.

Built with IntersectionObserver.

🔴 Demo: https://did-i-see.vercel.app/demo

Example Usage

<!-- It will inject the didISee to your window -->
<script src="https://did-i-see.vercel.app/index.js">

const options = {
  once: true,
  ...
};

window.didISee(
  ".element",
  ({ data }) => {
    console.log("I saw the element", data.target);
  },
  options
);

Arguments		required
query	query for selecting DOM elements	true
callback({ data })	callback that will be fired when element in viewport	true
options	options of didISee (see options down below for more information)	false

Options	type	default
once	if it is true callback will be fired only one time for each element	false
onlyEntrance	if it is false callback will be fired when element is entering the screen and leaving the screen	true
perc	percentage of element that callback will be fired	0.5
root	root element for scrolling area	null