Which of the following javascript methods is used to define an object collection based on a css (cascading style sheets) selector? a. object. style. property = ""value(selector)"" b. object. property = ""value(selector)"" c. document. getelementbyid(selector) d. document. queryselectorall(selector)

The answer is option d.

Explanation:

The 'querySelectorAll' function enables you to extract the list of items that fit the CSS selector you choose. It's just a way to find JavaScript components. It is very adaptable and enables you to search for tags, classes, IDs, combinations of parent/child, attributes, etc.  

In other words, we can say that the querySelectorAll() method returns all the matches. and other options are not correct that can be described as follows:

In option a and b, the object is a collection of unordered properties, that can be changed in adding, deleting and read-only. The option a is an attribute, that is used in CSS and option b is used in JavaScript for the property name. In option c, It reverts the element with the fixed value, that has the ID attribute.

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