<! 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 > < title > new document </ title > < meta http-equiv ="Content-Type" content ="text/html; charset=utf-8" > </ head > < body > < div id ="msg" ></ div > < input id ='txt' value ="" /> < input id ='btn' value ="dsa" type ="button" onclick ="ff()" /> < script > //当状态改变的时候执行的函数function handle(){ document.getElementById('msg').innerHTML = "输入的文字为：" + document.getElementById('txt').value;}if(/msie/i.test(navigator.userAgent)) //ie浏览器{ document.getElementById('txt').onpropertychange = handle;}else{//非ie浏览器，比如Firefox document.getElementById('txt').addEventListener("input", handle, false);document.getElementById('txt').watch('a', fn); }function ff(){document.getElementById('txt').value=Math.random();} </ script > </ body > </ html >
转载于:https://www.cnblogs.com/windthunder/archive/2009/09/03/1559196.html
