基于jQuery实现定位导航位置效果

本文实例为大家分享了Android九宫格图片展示的具体代码,供大家参考,具体内容如下

当滚动条滚动到内容区域的时候,侧边导航条定位到屏幕,不再动,并且点击导航条跳转到内容所在的位置;

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<meta name="viewport" content="width=device-width, initial-scale=1.0">

<meta http-equiv="X-UA-Compatible" content="ie=edge">

<style>

*{

padding: 0;

margin: 0;

}

.left{

float: left;

padding: 0 0 328px 0;

}

.left div{

width: 800px;

height: 300px;

line-height: 300px;

text-align: center;

font-size: 30px;

background: gray;

margin: 10px 0;

}

.nav{

position: absolute;

right:20px;

top: 20px;

}

.nav div{

width: 100px;

height: 80px;

line-height: 80px;

text-align: center;

background: pink;

margin: 10px 0;

cursor: pointer;

}

.bottom{

overflow: hidden;

width: 100%;

position: relative;

}

</style>

<title>Document</title>

</head>

<body>

<img style="width:100%" src="o_1bsmo1kpn1hp61bm0176i1bk618uo9.jpg" alt="">

<div class="bottom">

<div class="left">

<div class="one leftDiv" id="one">

</div>

<div class="conOne leftDiv" id="two">

</div>

<div class="leftDiv" id="three ">

</div>

<div class="leftDiv" id="four">

</div>

</div>

<div class="nav">

<div class="one navDiv">one</div>

<div class="two navDiv">two</div>

<div class="three navDiv">three</div>

<div class="four navDiv">four</div>

</div>

</div>

<script src="jquery.js"></script>

<script>

$(window).scroll(function(e){

console.log($(window).scrollTop());

if ($(window).scrollTop() >$('#one').offset().top) {

$('.nav').css({'position':'fixed'});

console.log('ss');

} else{

$('.nav').css({'position':'absolute'});

}

})

$('.nav div').click(function(){

var i = $('.navDiv').index(this);

var x = $('.leftDiv').eq(i).offset().top;

$('html, body').animate({scrollTop:x+'px'},500);

})

</script>

</body>

</html>

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