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-rw-r--r--src/css/curCSS.js4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/css/curCSS.js b/src/css/curCSS.js
index 06394f315..16104d893 100644
--- a/src/css/curCSS.js
+++ b/src/css/curCSS.js
@@ -13,6 +13,10 @@ export function curCSS( elem, name, computed ) {
// getPropertyValue is needed for `.css('--customProperty')` (gh-3144)
if ( computed ) {
+ // A fallback to direct property access is needed as `computed`, being
+ // the output of `getComputedStyle`, contains camelCased keys and
+ // `getPropertyValue` requires kebab-case ones.
+ //
// Support: IE <=9 - 11+
// IE only supports `"float"` in `getPropertyValue`; in computed styles
// it's only available as `"cssFloat"`. We no longer modify properties