第三個(gè)要求沒(méi)有反應(yīng)
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>無(wú)標(biāo)題文檔</title>
<script type="text/javascript">
var mystr="86-010-85468578";
document.write(? mystr.split("-")? ? + "<br />");
document.write( mystr.split("")? ? ?+ "<br />");
document.write( mystr,split("",3) );
</script>
</head>
<body>
</body>
</html>
2018-10-26
document.write( mystr,split("",3) );應(yīng)改為document.write( mystr.split("",3) );
2020-04-20
分割3次，limit要取數(shù)值為4