What is the difference between <%, <%

Question

Can some one please describe the usage of the following characters which is used in ERB file:

<%   %>
<%=  %>
<%  -%>
<%#  %>

what's the usage of each one ?

Answer 1

• <% %> : Executes the ruby code
• <%= %> : Prints into Erb file. Or browser
• <% -%> : Avoids line break after expression.
• <%# %> : ERB comment