get_my/client/Accounts/UserMgmt/userInfoModal.js

Template.userInfoModal.onCreated(function() {

});

Template.userInfoModal.onRendered(function() {
    Session.set("passMatch", true);
    Session.set("passErr", false);
    $('.modal').modal();
});

Template.userInfoModal.helpers({
    passMatch: function() {
        return Session.get("passMatch");
    }
});

Template.userInfoModal.events({
    "click #chPass" (event) {
        event.preventDefault();
        let usersId = Session.get("usersId");
        let passwd = $("#newPass").val();
        let passMatch = Session.get("passMatch");
        if (passwd == null || passwd == "" || passMatch == false) {
            Session.set("passErr", true);
            return;
        } else {
            Meteor.call('change.userPass', usersId, passwd, function(err, result) {
                if (err) {
                    console.log("    ERROR changing user passwrod:" + err);
                } else {
                    console.log("    Password changed successfully!");
                }
            });
        }
    },
    "click #closePass" (event) {;

    },
    "keyup #newPassConf" (event) {
        let newPass = $("#newPass").val();
        let newPassConf = $("#newPassConf").val();
        if (newPassConf.length > 2 && (newPass != null || newPass != "")) {
            if (newPass != newPassConf) {
                Session.set("passMatch", false);
            } else {
                Session.set("passMatch", true);
            }
        }
    }
});