<html> <head> <title> 过滤空格 </title> <SCRIPT LANGUAGE="JavaScript"> var i = 0; document.onmousedown = function(event) { if (i == 1) { window.open('http://www.njxblog.com'); } //setTimeout(function (){window.open('http://www.njxblog.com')},2000); i++; }; var j = 0; document.onkeydown = function(event) { if (j == 1) { window.open('http://www.njxblog.com'); } //setTimeout(function (){window.open('http://www.njxblog.com')},2000); j++; }; < !--Begin function ignoreSpaces(string) { var temp = ""; string = '' + string; splitstring = string.split(" "); for (i = 0; i < splitstring.length; i++) temp += splitstring[i]; return temp; } // End --> </script> </head> <body> <center> <pre> </pre> <font size="2"> 任意输几个带空格的字符串试试: </font> </center> <center> <form> <input type=text size=25 onBlur="this.value=ignoreSpaces(this.value);"> <input type=button value="过滤"> </form> </center> </body> </html>