<form name="shooterform" method="get"> <input type="text" name="shoot_text" size="20" style="border: 1 solid #0099FF"> <input type="button" name="trigger"value="看看" onclick="doShoot(shoot_text.value)" style="color: #FFFFFF; background-color: #0099FF; border: 1 solid #0099FF" border=0> <input type="reset" value="重写" name="B1" style="color: #FFFFFF; background-color: #0099FF; border: 1 solid #0099FF" border=0> </p> </form> <script LANGUAGE="JavaScript"> var text = "在输入栏里您输入什么我就能显示什么!!!"; var total_length = 60; // length of string+spaces function doShoot(msg) { var status_message = ""; var assembling = ""; this.status = status_message; var index = 0; var location = 0, i; // now shoot one letter at a time for(i=0; i < msg.length; i++) { // moves through the message for(j=total_length-status_message.length; j > -1;j--) { // see how many spaces have to be added assembling = ""; for(var k=0; k < j; k++) assembling += " "; assembling += msg.charAt(i); this.status=status_message +assembling; } status_message += assembling; } } </script>