case
Creates a switch statement to execute a particular block of code when a variable has a specified value. case initializes the switch statement, and when statements define the various conditions.
An optional else statement at the end of the case provides code to execute if none of the conditions are met.
Input
{% assign handle = "cake" %}
{% case handle %}
{% when "cake" %}
This is a cake
{% when "cookie", "biscuit" %}
This is a cookie
{% else %}
This is not a cake nor a cookie
{% endcase %}
Output
This is a cake
if
Executes a block of code only if a certain condition is true.
Input
{% if product.title == "Awesome Shoes" %}
These shoes are awesome!
{% endif %}
Output
These shoes are awesome!
You can add more conditions within if block with elsif or else
Input
{% if false %}
This won't render...
{% elsif true %}
...but this will
{% endif %}
Output
...but this will
unless
Input
{% unless product.title == "Awesome Shoes" %}
These shoes are not awesome!
{% endif %}
Output
These shoes are not awesome!
You can add more conditions within unless block with elsif or else
Input
{% unless false %}
This will render...
{% elsif true %}
...but this won't
{% endif %}
Output
This will render...