47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
CNVS.GoToTop = function() {
|
|
var __core = SEMICOLON.Core;
|
|
|
|
var _init = function(element) {
|
|
var elSpeed = element.getAttribute('data-speed') || 700,
|
|
elEasing = element.getAttribute('data-easing');
|
|
|
|
element.onclick = function(e) {
|
|
__core.scrollTo(0, Number(elSpeed), elEasing);
|
|
e.preventDefault();
|
|
};
|
|
};
|
|
|
|
var _scroll = function(element) {
|
|
var body = __core.getVars.elBody.classList;
|
|
|
|
var elMobile = element.getAttribute('data-mobile') || 'false',
|
|
elOffset = element.getAttribute('data-offset') || 450;
|
|
|
|
if( elMobile == 'false' && ( body.contains('device-xs') || body.contains('device-sm') || body.contains('device-md') ) ) {
|
|
return true;
|
|
}
|
|
|
|
if( window.scrollY > Number(elOffset) ) {
|
|
body.add('gototop-active');
|
|
} else {
|
|
body.remove('gototop-active');
|
|
}
|
|
};
|
|
|
|
return {
|
|
init: function(selector) {
|
|
selector = __core.getSelector( selector, false );
|
|
if( selector.length < 1 ){
|
|
return true;
|
|
}
|
|
|
|
_init(selector[0]);
|
|
_scroll(selector[0]);
|
|
|
|
window.addEventListener('scroll', function(){
|
|
_scroll(selector[0]);
|
|
}, {passive:true});
|
|
}
|
|
};
|
|
}();
|