Does the order property in flex have a specific starting and ending point?

I am curious to know if there are specific start or end numbers for ordering elements within a flex container. For instance:

.firstOrder {
    order: <First-Item>
}

Why do I ask? Well, I am in the process of developing a CSS framework and I would like to determine whether I can assign two classes to order the First and Last items accordingly.

Answer №1

There are no specific start or end numbers to consider.

All numbers, whether positive or negative, can be used. Items with lower numbers will come first, and the default for a flex item is 0.

If multiple items have the same value, their order in the markup determines their position.


In your particular scenario, assigning one item a value of -1 and another a value of 1, based on the default 0, will result in the item with -1 being placed before the item with 1.


As mentioned by Ali in a previous comment, it's worth noting that older versions of Flexbox may have a different default value. For example, the default value for -webkit-box-ordinal-group could be 1.

Answer №2

There isn't a predefined "pseudo" option in CSS, but you can achieve similar effects with some clever tricks:

Set the element to appear first using order: -9999;

Set the element to appear last using order: 9999;

Remove any custom order and display as normal using order: 0;

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