<script language="JavaScript"> function test(){ var valid = checkColor('color'); if(valid==true){ window.open("www.sina.com"); } } function checkColor(object){ var pattern = /^[0-9]+$/ var obj = eval("document.all['" + object + "'].value") ; if(obj.match(pattern)==null){ alert("错误"); return false; } else{ alert("正确"); return true; } } </script>
<input type="text" name="color"> <input type="button" value="check" onclick="test()">

|