Difference between revisions of "MediaWiki:Common.js"
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| Line 6: | Line 6: | ||
const isVisible = window.pageYOffset > 400; | const isVisible = window.pageYOffset > 400; | ||
backToTop.style.opacity = isVisible ? '1' : '0'; | backToTop.style.opacity = isVisible ? '1' : '0'; | ||
| − | if(backToTop.style.opacity | + | if(backToTop.style.opacity == 0) backToTop.hidden = true; |
else backToTop.hidden = false; | else backToTop.hidden = false; | ||
}); | }); | ||
} | } | ||
Revision as of 01:03, 29 August 2020
/* Any JavaScript here will be loaded for all users on every page load. */
const backToTop = document.getElementById("BackToTop");
if(backToTop) {
document.addEventListener("scroll", function() {
const isVisible = window.pageYOffset > 400;
backToTop.style.opacity = isVisible ? '1' : '0';
if(backToTop.style.opacity == 0) backToTop.hidden = true;
else backToTop.hidden = false;
});
}