A lightweight function that executes callback when we see specific DOM elements.
Built with IntersectionObserver.
🔴 Demo: https://did-i-see.vercel.app/demo
<!-- 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 |