in-view.ts 👀

fork by: https://github.com/camwiegert/in-view

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Installation

npm install --save in-view-ts

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Basic Usage

With in-view-ts, you can register handlers that are called when an element enters or exits the viewport. Each handler receives one element, the one entering or exiting the viewport, as its only argument.

// watch window scroll
const inview = new InView();
inview.control(document.getElementById('#target')).registry
    .on('enter', (element) => {
        console.log(element);
    });

// watch parent scroll
const inview = new InView(document.getElementById('#parent'));
inview.control(document.getElementById('#target')).registry
    .on('enter', (element) => {
        console.log(element);
    });

// watch parent scroll
const inview = new InView('#parent');
inview.control('#target').registry
    .on('enter', (element) => {
        console.log(element);
    });

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API

see: https://github.com/camwiegert/in-view

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License MIT