Quite simple, but first I didn't know how to use it :)
ASP.NET controls
<asp:label id="lblResult" runat="server" text="<%$ resources:AdminUI, Users.Result %>" cssclass="resultLabel" xmlns:asp="#unknown"></asp:label>
HTML controls
<option value="greatthan">
<asp:literal id="Literal3" runat="server" text="<%$ resources:AdminUI, NumericalControl.GreatThanTitle %>" xmlns:asp="#unknown"></asp:literal>
</option>
In JavaScript
SetTextForLabelOne(prefix,
'<asp:literal id="Literal6" runat="server" text="<%$ resources:AdminUI, NumericalControl.From %>" xmlns:asp="#unknown" />');
AdminUI
is my resources file (AdminUI.resx) and the first argument is resource key