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| /*! | |
| * jQuery.scrollToElement | |
| * Licensed under MIT | |
| * https://gist.github.com/pelish8/9023893 | |
| * @author Aleksandar Stevic | |
| * @version 0.0.1 | |
| */ | |
| ; (function ($) { | |
| $.fn.scrollToElement = function (el, options) { | |
| var $el = jQuery(el), | |
| parentTop = this.scrollTop(), | |
| parentBottom = parentTop + this.height(), | |
| elTop = $el.position().top, | |
| elBottom = elTop + $el.height() + parentTop, | |
| offset; | |
| if (elBottom >= parentBottom) { | |
| // go down | |
| offset = parentTop + elBottom - parentBottom; | |
| if (options) { | |
| this.animate({ | |
| scrollTop: offset | |
| }, options); | |
| } else { | |
| this.scrollTop(offset); | |
| } | |
| } else if (elTop < 0) { | |
| // go up | |
| offset = parentTop + elTop; | |
| if (options) { | |
| this.animate({ | |
| scrollTop: offset | |
| }, options); | |
| } else { | |
| this.scrollTop(offset); | |
| } | |
| } | |
| } | |
| })(jQuery); |
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