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StylePropertyMap: delete() method - Web APIs | MDN
StylePropertyMap: delete() method Limited availability
The delete()
method of the
StylePropertyMap
interface removes the CSS declaration with the given
property.
property
An identifier indicating the stylistic feature (e.g., font, width, background
color) to remove.
The following example removes the background-image
property from the
element's style attribute .
// get the button element
const buttonEl = document.querySelector("button");
// remove background-image from style attribute
buttonEl.attributeStyleMap.delete("background-image");