JS get the cursor position and set the text box cursor position sample code

  This example describes how to use JavaScript to control and get a text box/text field of the mouse cursor position, the following code compatible with IE and chrome,firefox, we refer to the use of the bar

The code is as follows: <script type= "Text/javascript" >         function gettxt1cursorposition () {    & nbsp       var oTxt1 = document.getElementById ("Txt1");             var cursurposition=-1;             if (Otxt1.selectionstart) {/Non IE browser             &NBS P   cursurposition= Otxt1.selectionstart;            }else{//ie                 var range = d Ocument.selection.createRange ();                 Range.movestart ("character",-otxt1.value.length);                 cursurposition=range.text.length;                         alert (cursurposition);        }           function settxt1cursorposition (i) {  &nbsP         var oTxt1 = document.getElementById ("Txt2");             var cursurposition=-1;             if (Otxt1.selectionstart) {/Non IE browser             &NBS P   Otxt1.selectionstart=i;            }else{//ie                 var range = O Txt1.createtextrange ();                 Range.move ("character", I);                 range.select ();                     {          function Gett A1cursorposition () {            var evt =window.event?window.event: Getta1cursorposition.caller.arguments[0];             var oTa1 = document.getElementById ("ta1");             var CursurposiTion=-1;             if (Ota1.selectionstart) {/Non IE browser             &NBSP ;   cursurposition= Ota1.selectionstart;            }else{//ie                 var range = O Ta1.createtextrange ();                 Range.movetopoint (EVT.X,EVT.Y);                 Range.movestart ("character",-ota1.value.length);                 cursurposition=range.text.length;                         alert (cursurposition);        }           function setta1cursorposition (i) {      &N Bsp     var oTa2 = document.getElementById ("Ta2");             if (Ota2.selectionstart) {/Non IE browser                 ota2.selectionstart=i;                 ota2.selectionend=i;            }else{//ie                 var range = O Ta2.createtextrange ();                 Range.move ("character", I);                 range.select ();             {       }     </script>