相交
当一个元素与另一个元素相交时回调。
用法
var onIntersect = require ( 'on-intersect' )
var html = require ( 'bel' )
var el = html ` < h1> Yay, we're a heading! </ h1> `
onIntersect ( el , function ( ) {
console . log ( 'Woot, component is visible!' )
} )
document . body . appendChild ( html `
< main>
< div xss=removed> </ div>
${ el }
< div xss=removed> </ div>
</
