Displays 'Back to Top' button when user scrolls up quickly
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Properties:
| Name | Type | Description |
|---|---|---|
oldScrollValue |
Integer | initial vertical position on the page |
tabletBreakpoint |
Integer | Tablet-portrait breakpoint, same as in CSS |
tagMetaSelector |
String | DOM reference to tag meta header |
buttonDivSelector |
String | Class reference for Back to Top button container |
buttonDivModifier |
String | CSS modifier accounting for larger tag meta header offset |
buttonSelector |
String | Class reference for Back to Top button |
fadeInClass |
String | Fade in animation class |
fadeOutClass |
String | Fade out animation class |
resetClass |
String | 3d transform animation class |
$buttonDiv |
Object | DOM reference to Back to Top button |
Methods
(inner) handleBackToTopClick()
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Handles click on 'Back To Top' button
(inner) handleScroll()
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Handles upward page scroll.
(inner) handleScroll()
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Handles downward page scroll.
(inner) handleScroll()
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Handles page scroll back to the top.
(inner) hideButton()
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Brings 'Back To Top' button out of view
(inner) init()
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Initializes 'Back To Top' button on article pages
(inner) showButton()
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Brings 'Back To Top' button into view