14 lines
487 B
JavaScript
Executable File
14 lines
487 B
JavaScript
Executable File
$('body').append('<a id="scrollToTop" class="backTop hide"> <span class="mui-icon mui-icon-arrowup"></span> </a>')
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$('body').on('tap', '#scrollToTop', function() {
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mui('.mui-scroll-wrapper').scroll().scrollTo(0, 0, 100); //滚动到顶部
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})
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document.querySelector('.mui-scroll-wrapper').addEventListener('scroll', function(e) {
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if(scroll.y <= window.innerHeight * (-1)) {
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$('#scrollToTop').removeClass('hide');
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} else {
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$('#scrollToTop').addClass('hide');
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}
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}) |