Liquid

testing

https://jumpseller.com/support/liquid-sandbox/

variable

simple increment

doc

counter = 0
print(counter)

counter += 1
print(counter)

{% increment counter %}``
{% increment counter %}

math

counter = 10
counter += 5
print(counter)

{% assign counter = 10 %}
{% assign counter = counter | plus: 5 %}
{{ counter }}