loop a javascript function like in php foreach

Admin 1
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I want to execute this function below 3 times but each time with a different value:

  socket.broadcast.to(role).emit('login', {
   onlineusers: list
  });

I have 3 roles: non-mods, mods and admins. The value for list varies for each role like this: non-mods => nonmodslist, mods => modslist, admins => adminslist

I tried:

 roles = {non-mods : nonmodslist, mods : modslist, admins : adminslist}
 
 for(let {non-mods, mods, admins} of roles) {
  socket.broadcast.to(role).emit('login', {
   onlineusers: list
  });

but I really dont know what to do from there. What am I missing?

javascript
4 Answers

You can use for of loop with Object.entries and deconstruction

let roles = {'non-mods': nonmodslist, 'mods': modslist, 'admins': adminslist};

for (let [role, list] of Object.entries(roles)) {
    socket.broadcast.to(role).emit('login', {
        onlineusers: list
    });
}
user_31735970 
for (var x = 0; x < roles.length; x++){
   socket.broadcast.to(roles[x]).emit.....
}

try it like this;

you want to set up an index (x) to iterate through roles, stopping once it reaches roles.length.... then you can access the specific role with that index

user_63270860

Please try below code

let roles = {'non-mods' : nonmodslist, 'mods' : modslist, 'admins' : adminslist}

for(let rolename in roles) {
  socket.broadcast.to(rolename).emit('login', {
  onlineusers: roles[rolename]
});
}
user_76883200

Object iteration can be performed using Object.keys(objectReference);

roles = {non-mods : nonmodslist, mods : modslist, admins : adminslist}
for(roleKey of Object.keys(roles)) {
    console.log(roles[roleKey]);
    // Perform operation using roles[roleKey]
}
user_165128070
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