Which of the following is not a valid selector in javascript?Group of answer choicesby Idby Classby Tagby item
Question
Which of the following is not a valid selector in javascript?
Group of answer choices:
- by Id
- by Class
- by Tag
- by item
Solution
To determine which option is not a valid selector in JavaScript, let's analyze the provided choices.
-
by Id: This refers to selecting elements by their ID using
document.getElementById(), which is valid. -
by Class: This refers to selecting elements by their class name using
document.getElementsByClassName()ordocument.querySelectorAll(), which is also valid. -
by Tag: This refers to selecting elements by their tag name using
document.getElementsByTagName(), which is valid as well. -
by item: This does not correspond to any standard document selection method in JavaScript.
Therefore, the answer is by item, as it is not a valid selector in JavaScript.
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