当我们加载页面顶部标题时,Nav如下所示。用户滚动上方的header-1将其禁用,并且新标题应位于该标题之上
我尝试过但我没有确切的解决方法
答案 0 :(得分:0)
尝试
<h1>Multiple Sticky Header with CSS and JS</h1>
<div class="followMeBar">A</div>
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<div class="followMeBar">B</div>
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<div class="followMeBar">C</div>
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<div class="followMeBar">D</div>
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<div class="followMeBar">E</div>
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<div class="followMeBar">F</div>
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<div class="followMeBar">G</div>
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<div class="followMeBar">H</div>
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<div class="followMeBar">I</div>
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<div class="followMeBar">J</div>
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<div class="followMeBar">K</div>
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<div class="followMeBar">L</div>
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<div class="followMeBar">M</div>
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<div class="followMeBar">N</div>
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<div class="followMeBar">O</div>
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<div class="followMeBar">P</div>
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<div class="followMeBar">Q</div>
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<div class="followMeBar">R</div>
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<div class="followMeBar">S</div>
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<div class="followMeBar">T</div>
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<div class="followMeBar">U</div>
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<div class="followMeBar">V</div>
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<div class="followMeBar">W</div>
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<div class="followMeBar">X</div>
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<div class="followMeBar">Y</div>
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<div class="followMeBar">Z</div>
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和CSS文件
.followMeBar {
background: #e64a19;
padding: 10px 20px;
position: relative;
z-index: 1;
color: #fff;
}
.followMeBar.fixed {
position: fixed;
top: 0;
width: 100%;
box-sizing: border-box;
z-index: 0;
}
.followMeBar.fixed.absolute {
position: absolute;
}
/* For aesthetics only ------------------------------------------------------------------*/
body {
margin: 0;
font-family: Segoe, "Segoe UI", "DejaVu Sans", "Trebuchet MS", Verdana, sans-serif;
}
h1 {
font: 200 1.2em "Segoe UI Light", "DejaVu Sans", "Trebuchet MS", Verdana, sans-serif;
font-weight: 200;
color: #fff;
background: #039be4;
padding: 20px;
margin: 0;
border-bottom: 10px solid #ccc;
strong {
font-family: "Segoe UI Black";
font-weight: normal;
}
}
.explanation {
padding: 20px;
max-width: 600px;
p {
max-width: 300px;
color: #fff;
font-size: 0.8rem;
}
}
和js文件
var stickyHeaders = (function() {
var $window = $(window),
$stickies;
var load = function(stickies) {
if (typeof stickies === "object" && stickies instanceof jQuery && stickies.length > 0) {
$stickies = stickies.each(function() {
var $thisSticky = $(this).wrap('<div class="followWrap" />');
$thisSticky
.data('originalPosition', $thisSticky.offset().top)
.data('originalHeight', $thisSticky.outerHeight())
.parent()
.height($thisSticky.outerHeight());
});
$window.off("scroll.stickies").on("scroll.stickies", function() {
_whenScrolling();
});
}
};
var _whenScrolling = function() {
$stickies.each(function(i) {
var $thisSticky = $(this),
$stickyPosition = $thisSticky.data('originalPosition');
if ($stickyPosition <= $window.scrollTop()) {
var $nextSticky = $stickies.eq(i + 1),
$nextStickyPosition = $nextSticky.data('originalPosition') - $thisSticky.data('originalHeight');
$thisSticky.addClass("fixed");
if ($nextSticky.length > 0 && $thisSticky.offset().top >= $nextStickyPosition) {
$thisSticky.addClass("absolute").css("top", $nextStickyPosition);
}
} else {
var $prevSticky = $stickies.eq(i - 1);
$thisSticky.removeClass("fixed");
if ($prevSticky.length > 0 && $window.scrollTop() <= $thisSticky.data('originalPosition') - $thisSticky.data('originalHeight')) {
$prevSticky.removeClass("absolute").removeAttr("style");
}
}
});
};
return {
load: load
};
})();
$(function() {
stickyHeaders.load($(".followMeBar"));
});
这是一个Codepen