正则取代写法请教高手们
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk"> <title>Javascript</title> <script type="text/javascript"> function change(x){ var i = 1; var tmp = document.getElementById("t1").value; document.getElementById("t2").valuet = function(){ return tmp.replace(/x/g, function(){ return x++; }) }() } </script> </head> <body> <textarea col="30" col="20" style="width:300px; height:400px" name="Test1" id="t1">A A A A A</textarea> <textarea col="30" col="20" style="width:300px; height:400px" name="Test2" id="t2"></textarea> <input type="button" name="ck" id="ck" onclick="change("A");" /> </body></html><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk"> <title>Javascript</title> <script type="text/javascript"> function change(x){ var i = 1; var tmp = document.getElementById("t1").value; document.getElementById("t2").value = tmp.replace(new RegExp(x, "ig"), function(){ return i++; }); } </script> </head> <body> <textarea col="30" col="20" style="width:300px; height:400px" name="Test1" id="t1">A A A A A</textarea> <textarea col="30" col="20" style="width:300px; height:400px" name="Test2" id="t2"></textarea> <input type="button" name="ck" id="ck" onclick="change('A');" /> </body></html>