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costume drop down
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<div class="nb-drop-down"> | |
<button class="nb-main-item">Main Item</button> | |
<ul class="nb-list"> | |
<li>Item One</li> | |
<li>Item Two</li> | |
<li>Item Three</li> | |
</ul> | |
</div> | |
<div style="margin-top:100px;"> | |
<h1>hello</h1> | |
<h1>hello</h1> | |
<h1>hello</h1> | |
</div> | |
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(function() { | |
var mainItemBtns = document.querySelectorAll('.nb-main-item'); | |
Array.prototype.forEach.call(mainItemBtns, function(btn) { | |
btn.addEventListener('click', function(e) { | |
e.stopPropagation(); | |
var list = this.nextElementSibling; | |
list.style.display = 'block'; | |
}); | |
}); | |
var lists = document.querySelectorAll('.nb-list'); | |
Array.prototype.forEach.call(lists, function(list) { | |
list.addEventListener('click', function(e) { | |
if(e.target.nodeName === 'LI') { | |
this.style.display = 'none'; | |
} | |
}); | |
}); | |
document.body.addEventListener('click', function(e) { | |
var lists = document.querySelectorAll('.nb-list'); | |
Array.prototype.forEach.call(lists, function(list) { | |
list.style.display = 'none'; | |
}); | |
}) | |
})(); |
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html { | |
margin:50px; | |
} | |
* { | |
box-sizing: border-box; | |
} | |
$nb-drop-down-width: 400px; | |
$nb-drop-down-height: 60px; | |
ul, li, button { | |
margin:0; | |
padding:0; | |
} | |
ul { | |
list-style: none; | |
} | |
.nb-drop-down { | |
width:$nb-drop-down-width; | |
ul { | |
width:100%; | |
border:1px solid #eee; | |
display:none; | |
} | |
button, li { | |
text-align: left; | |
line-height: $nb-drop-down-height; | |
padding-left: 10px; | |
cursor: pointer; | |
} | |
button { | |
width:100%; | |
background: transparent; | |
border: 1px solid #eee; | |
position: relative; | |
&::after { | |
content:''; | |
position: absolute; | |
border-style: solid; | |
right:15px; | |
top:50%; | |
transform: translateY(-50%); | |
border-width: 10px 6.5px 0 6.5px; | |
border-color: #e3e3e3 transparent transparent transparent; | |
} | |
&:focus { | |
outline:none; | |
} | |
} | |
li:not(:last-child) { | |
border-bottom: 1px solid #eee; | |
} | |
} | |
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