Currently working on a website design project, I encountered something quite peculiar. When applying the text-shadow: 0 0 0 someColor to an element, the shadow is displayed. You can see this clearly in the following fiddle: FIDDLE.
Could this be considered a bug?
There is no error in the implementation of the spec; as long as the computed value is not none, a shadow will be generated. The only possibilities for values computing to none are either none or initial.
Text shadows behave similarly to box shadows, following the specifications outlined for box shadows. Nowhere does it state that a shadow should not be created with all zeros. The specs simply outline two possible values: none or a set of comma-separated <shadow> value groups, defined as
[ <length>{2,3} && <color>? ]#Both text and box shadows default to using currentColor for color if none is specified. This ensures consistency in rendering.
The appearance of layers of semi-transparent pixels creating unusual effects with zero-length shadows is likely due to anti-aliasing during rendering, impacting both text and box shadows. Browsers exhibit this behavior consistently across various scenarios.
To work around issues with none values, you can specify transparent for the color. This will result in an invisible shadow being drawn, effectively hiding it from view.
To eliminate a text-shadow effect, the recommended approach is to set text-shadow: none;
text-shadow:none;
Not mandatory. Here lies a significant value. In the absence of specification, it defaults to zero. The greater this figure, the more pronounced the blur effect; resulting in a wider and softer shadow.
A crucial point to note is that setting the blur property to zero does not signify the absence of any blur effect. https://developer.mozilla.org/en-US/docs/Web/CSS/text-shadow
Adjust the text-shadow: 0px 0px 0px #FFFFFF; properties to control the positioning and blur level of the shadow. Remember, these properties are not meant for hiding or showing the shadow effect.
If you wish to hide the shadow effect completely, simply write "text-shadow:;" without assigning any values.
Apologies for any language errors :)
When creating a page builder, it's important to consider how to handle initial "empty" values. While these values may appear empty, they actually play a role in positioning and blurriness. One approach is to default the color to the element's background color or adjust the blur value to -1.
text-shadow: 0 0 -1px red;
Another option is to allow users to enable text-shadow and then set it to 0 0 0 red using an if-else statement. Here's some pseudocode:
if the text-shadow option is checked
use text-shadow: 0 0 0 red;
else
use text-shadow: none;
Best of luck as you implement these strategies.
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