wxml:
<view>
{
{phone_.toNorms(phone)}}
</view>
// Js en la página
<wxs module="phone_">
var toNorms = function(array) {
var mphone = array.substring(0, 3) + '****' + array.substring(7, 11);
return mphone;
}
module.exports.toNorms = toNorms;
</wxs>
// JS
data: {phone: "13299999999",}