<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Typ
出处:http://www.cnblogs.com/MrZouJian/p/5850553.html function getTxt1CursorPosition(){ var oTxt1 = document.getElementById("txt1"); var cursurPosition=-1; if(oTxt1.selectionStart){//非IE浏览器 cursurPosition= oTxt1.selectionStart; }else{//IE var range