You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
1.8 KiB
JavaScript
24 lines
1.8 KiB
JavaScript
7 months ago
|
/*
|
||
|
|
Copyright (c) 2012 Digital Fusion, http://teamdf.com/
|
||
|
|
|
||
|
|
Permission is hereby granted, free of charge, to any person obtaining
|
||
|
|
a copy of this software and associated documentation files (the
|
||
|
|
"Software"), to deal in the Software without restriction, including
|
||
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
||
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||
|
|
permit persons to whom the Software is furnished to do so, subject to
|
||
|
|
the following conditions:
|
||
|
|
|
||
|
|
The above copyright notice and this permission notice shall be
|
||
|
|
included in all copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||
|
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||
|
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||
|
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||
|
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||
|
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
!function(t){var i=t(window);t.fn.visible=function(t,e,o){if(!(this.length<1)){var r=this.length>1?this.eq(0):this,n=r.get(0),f=i.width(),h=i.height(),o=o?o:"both",l=e===!0?n.offsetWidth*n.offsetHeight:!0;if("function"==typeof n.getBoundingClientRect){var g=n.getBoundingClientRect(),u=g.top>=0&&g.top<h,s=g.bottom>0&&g.bottom<=h,c=g.left>=0&&g.left<f,a=g.right>0&&g.right<=f,v=t?u||s:u&&s,b=t?c||a:c&&a;if("both"===o)return l&&v&&b;if("vertical"===o)return l&&v;if("horizontal"===o)return l&&b}else{var d=i.scrollTop(),p=d+h,w=i.scrollLeft(),m=w+f,y=r.offset(),z=y.top,B=z+r.height(),C=y.left,R=C+r.width(),j=t===!0?B:z,q=t===!0?z:B,H=t===!0?R:C,L=t===!0?C:R;if("both"===o)return!!l&&p>=q&&j>=d&&m>=L&&H>=w;if("vertical"===o)return!!l&&p>=q&&j>=d;if("horizontal"===o)return!!l&&m>=L&&H>=w}}}}(jQuery);
|