Difference between revisions of "MediaWiki:Common.js"
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const backToTop = document.getElementById("BackToTop"); | const backToTop = document.getElementById("BackToTop"); | ||
| − | if(backToTop) { | + | if (backToTop) { |
| − | + | document.addEventListener("scroll", function() { | |
| − | + | const isVisible = window.pageYOffset > 400; | |
| + | backToTop.style.opacity = isVisible ? '1' : '0'; | ||
}); | }); | ||
| + | /*backToTop.addEventListener("transitionstart", function() { | ||
| + | backToTop.style.display = "block"; | ||
| + | }); | ||
| + | backToTop.addEventListener("transitionend", function() { | ||
| + | if (backToTop.style.opacity == 0) backToTop.style.display = "none"; | ||
| + | });*/ | ||
} | } | ||
Latest revision as of 01:42, 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';
});
/*backToTop.addEventListener("transitionstart", function() {
backToTop.style.display = "block";
});
backToTop.addEventListener("transitionend", function() {
if (backToTop.style.opacity == 0) backToTop.style.display = "none";
});*/
}