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@autofe/sticky

v0.1.0

Published

A Sticky library based on jQuery

Downloads

5

Readme

Sticky

由于吸顶的实现采用的是 position: fixed,所以需要自己在样式里手动设置 width

Usage

通过脚本来初始化,如果不配置参数,默认开启吸顶功能。

$('.sticky-demo').sticky();

配置吸顶时到顶部的距离为 10px

$('.sticky-demo').sticky({
  offset: 10 // 开启吸顶,吸顶时到顶部距离为 10px
});

// or

$('.sticky-demo').sticky({
  offsetTop: 10 // 开启吸顶,吸顶时到顶部距离为 10px
});

可以通过配置开启吸底效果

$('.sticky-demo').sticky({
  offsetBottom: 10 // 开启吸顶,吸顶时到顶部距离为 10px
});

还可以通过 HTML data 属性的方式配置参数

<div class="sticky-demo">
  吸顶,到顶部距离为 0
</div>
<div class="sticky-demo" data-offset="10">
  吸顶,到顶部距离为 10
</div>
<div class="sticky-demo" data-offset-top="10">
  吸顶,到顶部距离为 10
</div>
<div class="sticky-demo" data-offset-bottom="10">
  吸底,到底部距离为 10
</div>
<div class="sticky-demo" data-offset-top="10" data-offset-bottom="20">
  吸顶和吸底效果同时开启
</div>

Options

参数可以通过 data attributes 或者 JavaScript 两种方式来配置.

Name | Type | Default | Description ---- | ---- | ------- | ----------- offset | number or object | {top:0} | 用来设置吸顶和吸底的距离,格式 {top: 10, bottom: 20} ,其中 topbottom 还可以是函数 offsetTop | number or function | 无 | 设置吸顶距离 offsetBottom | number or function | 无 | 设置吸底距离

Methods

.sticky(options)

初始化

$('#stickyDemo').sticky();

Events

Event Type | Description ---------- | ----------- top.fe.sticky | 进入吸顶状态时触发 bottom.fe.sticky | 进入吸底状态时触发 off.fe.sticky | 从吸顶或者吸底状态退出时触发

$('.nav-example')
  .on('top.fe.sticky', function() {
    $(this).html('<p>吸顶状态</p>')
  })
  .on('bottom.fe.sticky', function() {
    $(this).html('<p>吸底状态</p>')
  })
  .on('off.fe.sticky', function() {
    $(this).html('<p>常规状态</p>')
  });

End

Thanks to Bootstrap