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<!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-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <script> window.onload=function() { var oTxt1=document.getElementById('txt1'); var oTxt2=document.getElementById('txt2'); var oBtn=document.getElementById('btn'); oBtn.onclick=function() { var reg=/<[^<>]+>/g; oTxt2.value=oTxt1.value.replace(reg,''); }; }; </script> </head> <body> <textarea id="txt1" cols="40" rows="10"></textarea><br /> <input type="button" value="过滤" id="btn" /><br /> <textarea id="txt2" cols="40" rows="10"></textarea> </body> </html>
<!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-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <script> window.onload=function() { var oTxt1=document.getElementById('txt1'); var oTxt2=document.getElementById('txt2'); var oBtn=document.getElementById('btn'); oBtn.onclick=function() { var reg=/<[^<>]+>/g; oTxt2.value=oTxt1.value.replace(reg,''); }; }; </script> </head> <body> <textarea id="txt1" cols="40" rows="10"></textarea><br /> <input type="button" value="过滤" id="btn" /><br /> <textarea id="txt2" cols="40" rows="10"></textarea> </body> </html>