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MooTools page scrolling floating layer intelligent positioning implementation code_Mootools

WBOY
WBOYOriginal
2016-05-16 18:03:06895browse

HTML code:

Copy code The code is as follows:


I am a shy floating layer...


JS code:
Copy code The code is as follows:

var $smartFloat = function(elements) {
var position = function(element) {
var top = element.getPosition().y, pos = element.getStyle("position");
window.addEvent("scroll", function() {
var scrolls = this.getScroll(). y;
if (scrolls > top) {
if (window.XMLHttpRequest) {
element.setStyles({
position: "fixed",
top: 0
} );
} else {
element.setStyles({
top: scrolls
});
}
}else {
element.setStyles({
position : "absolute",
top: top
});
}
});
};
if ($type(elements) === "array") {
return elements.each(function(items) {
position(items);
});
} else if ($type(elements) === "element") {
position(elements);
}
};

//Binding
$smartFloat($("float"));
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