Bootstrap settings page returns to the top hover prompt method as follows:
1. First add a "return to the top" button in the body
<body> <div class="go-top"> <div class="arrow"></div> <div class="stick"></div> </div> </body>
2. Definition of css
div .go-top {
display: none;
opacity: 0.6;
z-index: 999999;
position: fixed;
bottom: 113px;
left: 90%;
margin-left: 40px;
border: 1px solid #a38a54;
width: 38px;
height: 38px;
background-color: #eddec2;
border-radius: 3px;
cursor: pointer;
}
div .go-top:hover {
opacity: 1;
filter: alpha(opacity=100);
}
div .go-top div .arrow {
position: absolute;
left: 10px;
top: -1px;
width: 0;
height: 0;
border: 9px solid transparent;
border-bottom-color: #cc3333;
}
div .go-top div .stick {
position: absolute;
left: 15px;
top: 15px;
width: 8px;
height: 14px;
display: block;
background-color: #cc3333;
-webkit-border-radius: 1px;
-moz-border-radius: 1px;
border-radius: 1px;
}Use fixed positioning so that the button always appears in the lower right corner. By setting left:90%, the button can appear on the right without being too tight. Attach scroll bars.
3. The button is invisible by default. When the page is scrolled to a certain height, the button appears
$(function() {
$(window).scroll(function() {
if ($(window).scrollTop() > 1000)
$('div.go-top').show();
else
$('div.go-top').hide();
});
$('div.go-top').click(function() {
$('html, body').animate({scrollTop: 0}, 1000);
});
}); Recommendation: bootstrap introductory tutorial
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