Selenium Web Element Locators & Selectors

Question 1

Which Selenium locator strategy is generally fastest and most reliable when an element has a unique ID attribute?

Accepted Answer

By.id()

Answer

By.name()

Answer

By.xpath()

Answer

By.cssSelector()

Question 2

What does driver.findElements() return when no elements match the given locator?

Accepted Answer

An empty List<WebElement>

Answer

null

Answer

Throws NoSuchElementException

Answer

A WebElement with no properties

Question 3

Which Selenium locator strategy finds an anchor element by its complete visible text?

Accepted Answer

By.linkText()

Answer

By.tagName("a")

Answer

By.partialLinkText()

Answer

By.name()

Question 4

What is the correct Selenium syntax to locate an element by its CSS class name?

Accepted Answer

driver.findElement(By.className("myClass"))

Answer

driver.findElement(By.id("myClass"))

Answer

driver.findElement(By.name("myClass"))

Answer

driver.findElement(By.tagName("myClass"))

Question 5

Which Selenium method throws a NoSuchElementException when the target element is not present in the DOM?

Accepted Answer

driver.findElement()

Answer

driver.findElements()

Answer

driver.waitFor()

Answer

driver.querySelector()

Question 6

Which locator strategy would you use to match a hyperlink whose text only partially matches the expected string?

Accepted Answer

By.partialLinkText()

Answer

By.linkText()

Answer

By.xpath()

Answer

By.id()

Question 7

What does driver.findElement(By.tagName("input")) return when multiple <input> elements exist on a page?

Accepted Answer

The first matching input element in DOM order

Answer

All input elements as a list

Answer

null

Answer

Throws NoSuchElementException