Which of the following is not a valid selector in javascript?Group of answer choicesby Classby itemby Idby Tag
Question
Which of the following is not a valid selector in javascript?
Group of answer choices
- by Class
- by item
- by Id
- by Tag
Solution
To determine which of the options is not a valid selector in JavaScript, let’s analyze the provided choices:
-
by Class: This refers to selecting elements using the class name. In JavaScript, you can use
document.getElementsByClassName('className')ordocument.querySelector('.className'). This is a valid selector. -
by Item: There is no standard way to select elements in JavaScript using "by item". This is not a recognized method or term for selecting elements in the DOM.
-
by Id: This refers to selecting elements by their ID. You can use
document.getElementById('idValue')ordocument.querySelector('#idValue'). This is a valid selector. -
by Tag: This refers to selecting elements by their tag name. You can use
document.getElementsByTagName('tagName')ordocument.querySelector('tagName'). This is a valid selector.
Final Answer
by Item is not a valid selector in JavaScript.
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