JS代码:
方法 ① :字符串截取+拼接
function
formatPhone
(phone) {if
(typeof
phone==
'number'
) { phonephone.
=
(); }
toString
return
phone.substr
(0
,3
)+
'
*
*
*
*
'+
phone.substr
(7
,11
); }
方法 ②:正则表达式替换
function
formatPhone
(phone) {return
phone.replace
(/(\d{
,3
})\d{4
}(\d{4
})/"
); }$
1
*
*
*
*
$
2
"