How to call method in Apex With @RemoteAction

1. @RemoteAction : use to call method from page to class by js

In Apex class:

@RemoteAction
global static List<Account> getAccounts() { //your code }

In JS method:

function getAllAccount(){
// call method from saleforce class

Visualforce.remoting.Manager.invokeAction(
'{!$RemoteAction.OfficeLocatorController.getAccounts}',
function(responseAccounts, event){
    initialize(responseAccounts)
   },{escape: true}
);
}