I attempted to utilize the ::before element in HTML directly. Below is my code:
<ul class="clear toogled" style="height:188pxl">
<li tabindex="0" style="display: block;">
<label for="MAP-IA_1_1_OR_CB_1" aria-label="Filter by product">
::before
hello
</label>
</ul>
This code will produce an output like this:
::before
hello
Can somebody explain why it gives an output like this?
It's unclear what your goal is, but as others have pointed out, the "before" pseudo element is not being used correctly.
The ::before and ::after elements you see in the DOM are automatically added by CSS pseudo classes :before and :after.
For instance, with your code, I can place a coffee mug in front of the word 'hello'.
All I did was create a CSS selector label:before and set its content to a Unicode character which indicates that before anything within the label, display the specified content.
You can verify this by inspecting the Samsung website where you borrowed the HTML from.
When I first learned about the :before pseudo class, I found this resource helpful.
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