Created
June 30, 2012 16:46
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[jQuery] smooth-scrolling
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$(document).ready(function() { | |
function filterPath(string) { | |
return string | |
.replace(/^\//,'') | |
.replace(/(index|default).[a-zA-Z]{3,4}$/,'') | |
.replace(/\/$/,''); | |
} | |
var locationPath = filterPath(location.pathname); | |
var scrollElem = scrollableElement('html', 'body'); | |
$('a[href*=#]').each(function() { | |
var thisPath = filterPath(this.pathname) || locationPath; | |
if ( locationPath == thisPath | |
&& (location.hostname == this.hostname || !this.hostname) | |
&& this.hash.replace(/#/,'') ) { | |
// var $target = $(this.hash), target = this.hash; | |
// if (target) { | |
var target = this.hash.replace('#',''); | |
var $target = $('a[name='+target+']'); | |
if ($target.offset() != undefined) { | |
// use the above to target by instead of a name | |
var targetOffset = $target.offset().top; | |
$(this).click(function(event) { | |
event.preventDefault(); | |
$(scrollElem).animate({scrollTop: targetOffset-110}, 400); | |
// , function() { | |
// location.hash = target; | |
// }); | |
}); | |
} | |
} | |
}); | |
// use the first element that is "scrollable" | |
function scrollableElement(els) { | |
for (var i = 0, argLength = arguments.length; i <argLength; i++) { | |
var el = arguments[i], | |
$scrollElement = $(el); | |
if ($scrollElement.scrollTop()> 0) { | |
return el; | |
} else { | |
$scrollElement.scrollTop(1); | |
var isScrollable = $scrollElement.scrollTop()> 0; | |
$scrollElement.scrollTop(0); | |
if (isScrollable) { | |
return el; | |
} | |
} | |
} | |
return []; | |
} | |
}); |
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