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Hi, and thanks for the questions!

Unfortunately, the loop is necessary to look inside the array of the categories, and verify that one of the category's id matches the ID you are looking for. The only alternative to having less code would be specifying the position of the expected ID, which is not recommended as the positioning may change in the future:

For example on the product page, if the ID is in the first position within the array:

{% if product.categories[0].id == '8727568'%}

Would refer to the first position in the array, and only look to see if the category with this ID is at first position, on the product page.

In regards to your question about the "abbreviated hooks". There is not a list of abbreviations, as they are a user-defined variables declared inline during the for loop. The structure in plain english is simply:

{% for declared variable in theme.variable %}

The syntax we use as an abbreviation is just for clarity, and can be swapped with any user defined variable. For example, using the loop you provided:

{% for cat in product.categories | limit(1) %}  

    {% if cat.id == '8727568'%}          

    {% else %}
    
    {% endif %}

{% endfor %}

The abbreviated hook could just as well be "asdf":

{% for asdf in product.categories | limit(1) %}  

    {% if asdf.id == '8727568'%}          

    {% else %}
    
    {% endif %}

{% endfor %}

And the loop would work the same, as it is using a user-defined variable

Hi!

Both are correct, they simply differ in the way that you are referring to the subcategory id.

For example, take this list of categories, and we ant to target 1192110:

This notation:

shop.categories.{{ category.id }}.subs

Is referring to the variable of the specific sub item of the array, like in json array notation, so when the variable is rendered, the call is expressed as:

shop.categories.1192110.subs

In the notation I supplied, I'm specifying the index position within the array of shop.categories for the category in question :

shop.categories[1192110].subs

which still refers to shop.categories.1192110.subs when expressed.

In answer to your question, both notations are correct, and will have the same result, as long as the {{ category.id }} variable is the category for which you want to target.

In you're case, as you know the target that you are using for the category, the shop.categories[8661854].subs notation is more explicit, as you already know the ID of the category you wish to express.

Hi,

Thanks for the question!

If you'd like to target all child categories of a given category, you would need to construct a for loop, for the categories in the parent category.

Using your example:

{% for subs in shop.categories[8661854].subs %}

<br>subcategory: {{ subs.title }}

{% endfor %}

would create a loop for all subcategories of the category with a parent category id of "8661854", and output the titles, e.g:

subcategory: title1

subcategory: title2

etc.

In your example, you could do the following:

{% if category.textpage and parent.category_id == '8661854' }

{% for subs in shop.categories[8661854].subs %}

<script type="text/javascript">
// do something
</script>

{% endfor %}

{% endif %}

To target the subcategories of your chosen parent category.