Simple string concatenation in rails in view page

Question

I am new to Rails. Can someone please explain to me the concept of string concatenation using variables in view page and the controller?

Answer 1

For example :

In controller Code :

def show
   @firstname = 'Test'
   @lastname = 'User'
end

In view page :

Full Name : <%= "#{@firstname}  #{lastname}" %>

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Scenarios:- If you want to keep two variables on View page and add concatenation for those then use of space is necessary.

View page:

<%
  var string_1 = "With"
  var string_2 = "Rails"

  var addition_1 = string_1 + string_2;
  var addition_2 = string_1 + " " + string_2

%>
<h1> First Addition  -> #{addition_1} </h1>
<h1> Second Addition  -> #{addition_2} </h1>

Output :

First Addition  -> WithRails
Second Addition  -> With Rails