Difference between revisions of "MediaWiki:Common.js"
[http://www.nga.gov/content/ngaweb/research/casva/research-projects.html A Project of the National Gallery of Art, Center for Advanced Study in the Visual Arts ]
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$(".bannerImage").css({'background-image' : 'url(' + getRandomImage() + ')'}).addClass('fade-in'); | $(".bannerImage").css({'background-image' : 'url(' + getRandomImage() + ')'}).addClass('fade-in'); | ||
}); | }); | ||
| − | |||
| − | |||
/*Adds up button on scroll*/ | /*Adds up button on scroll*/ | ||
Revision as of 20:50, May 1, 2018
/*Creates random image selection for banner*/
function getRandomImage()
{
var images = [
"/mediawiki/images/3/32/0072_banner_alt.jpg",
"/mediawiki/images/1/1c/0464_banner_alt.jpg",
"/mediawiki/images/9/98/0033_banner.jpg",
"/mediawiki/images/9/94/1213_banner.jpg"
];
return images[Math.floor(Math.random() * images.length)];
}
$(document).ready(function(){
$(".bannerImage").css({'background-image' : 'url(' + getRandomImage() + ')'}).addClass('fade-in');
});
/*Adds up button on scroll*/
$('body').prepend('<a href="#" class="back-to-top">Back to Top</a>');
var amountScrolled = 300;
$(window).scroll(function() {
if ( $(window).scrollTop() > amountScrolled ) {
$('a.back-to-top').fadeIn('slow');
} else {
$('a.back-to-top').fadeOut('slow');
}
});
