1 $.fn.selection = function(){
 2         var s,e,range,stored_range;
 3         if(this[0].selectionStart == undefined){
 4             var selection=document.selection;
 5             if (this[0].tagName.toLowerCase() != "textarea") {
 6                 var val = this.val();
 7                 range = selection.createRange().duplicate();
 
 8                 range.moveEnd("character", val.length);
 9                 s = (range.text == "" ? val.length:val.lastIndexOf(range.text));
10                 range = selection.createRange().duplicate();
11                 range.moveStart("character", -val.length);
12                 e = range.text.length;
 
13             }else {
14                 range = selection.createRange(),
15                 stored_range = range.duplicate();
16                 stored_range.moveToElementText(this[0]);
17                 stored_range.setEndPoint('EndToEnd', range);
18                 s = stored_range.text.length - range.text.length;
 
19                 e = s + range.text.length;
20             }
21         }else{
22             s=this[0].selectionStart,
23             e=this[0].selectionEnd;
24         }
25         var te=this[0].value.substring(s,e);
26         return {start:s,end:e,text:te};
27     };