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LibWeb: Support simplest form of CSSStyleDeclaration.setProperty()

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This patch adds the setProperty(name, value) API to CSSStyleDeclaration.
Setting an invalid or empty value will cause the property to be removed
from the declaration.

Note that this only works on mutable declarations (i.e element.style)
and not on resolved declarations (i.e window.getComputedStyle(element)).
This commit is contained in:
Andreas Kling 2021-09-26 19:06:17 +02:00
parent e0e41116a4
commit 0ab31d8c84
4 changed files with 19 additions and 3 deletions
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2
Userland/Libraries/LibWeb/CSS/CSSStyleDeclaration.h
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@ -34,6 +34,8 @@ public:
virtual Optional<StyleProperty> property(PropertyID) const = 0;
virtual bool set_property(PropertyID, StringView css_text) = 0;
void set_property(StringView property_name, StringView css_text);
String get_property_value(StringView property) const;
protected: