Checking for nil in view in Ruby on Rails

Question

I\'ve been working with Rails for a while now and one thing I find myself constantly doing is checking to see if some attribute or object is nil in my view code before I dis

Answer 1

No you should use

<% if @item.nil? %>

for example

@item1=nil
if @item1.nil? ### true
@item2 = ""
if @item2.nil? ### false
@item3 = []
if @item3.nil? ### false
@item4 = {}
if @item4.nil? ### false

To check An object is blank if it‘s false, empty, or a whitespace string.

use

<% if @item.blank? %>

ref:- this

for example

@item1=nil
if @item1.blank? #### true
@item2 = ""
if @item2.blank? #### true
@item3 = []
if @item3.blank? #### true
@item4 = {}
if @item4.blank? #### true