npm install emergence.js
<script src="path/to/emergence.min.js"></script> <script> emergence.init(); </script>
< div class = “ element ” data-emergence = “ hidden ” > </ div >
.element [ data-emergence = hidden ] {
/ *隐藏状态* /
}
.element [ data-emergence = visible ] {
/ *可见状态* /
}
emergence.init({
container: window,
reset: true,
handheld: true,
throttle: 250,
elemCushion: 0.15,
offsetTop: 0,
offsetRight: 0,
offsetBottom: 0,
offsetLeft: 0,
callback: function(element, state) {
if (state === 'visible') {
console.log('Element is visible.');
} else if (state === 'reset') {
console.log('Element is hidden with reset.');
} else if (state === 'noreset') {
console.log('Element is hidden with NO reset.');
}
}
});
var customContainer = document.querySelector('.wrapper');
// www.xttblog.com
emergence.init({
container: customContainer
});
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