锚点跳转的过渡效果

 

CSS实现：http://stackoverflow.com/questions/17631417/css-pure-css-scroll-animation

jq实现：

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$(function () {     $('a[href*=#],area[href*=#]').click(function () {         console.log(this.pathname)         if (location.pathname.replace(/^\//, '') == this.pathname.replace(/^\//, '') && location.hostname == this.hostname) {             var $target = $(this.hash);             $target = $target.length && $target || $('[name=' + this.hash.slice(1) + ']');             if ($target.length) {                 var targetOffset = $target.offset().top;                 $('html,body').animate({                     scrollTop: targetOffset                 },                         1000);                 return false;             }         }     }); });