JavaScriptExecutor in Selenium WebDriver with Example (easy)
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Questions and Answers

Which interface helps to execute JavaScript through Selenium Webdriver?

  • SeleniumExecutor
  • WebdriverExecutor
  • JavaScriptExecutor (correct)
  • ExecuteScript

    • Which method of JavaScriptExecutor is used to run JavaScript on the selected window or current page?

  • executeScript (correct)
  • executeJavaScript
  • runScript
  • executeAsyncScript

    • What can be done if the locators like XPath and CSS do not work in Selenium Webdriver?

  • Use a different web browser
  • Import additional plugin or add-on
  • Change the locators
  • Use JavaScriptExecutor (correct)

    • Which package needs to be imported to use JavaScriptExecutor in Selenium?

    <p>org.openqa.selenium.JavascriptExecutor</p> Signup and view all the answers

    What is the purpose of the 'executeScript' method in JavaScriptExecutor?

    <p>To execute JavaScript in the context of the currently selected frame or window</p> Signup and view all the answers

    What is the purpose of the 'executeAsyncScript' method in JavaScriptExecutor?

    <p>To execute asynchronous JavaScript code</p> Signup and view all the answers

    What is the purpose of using JavaScriptExecutor in Selenium Webdriver?

    <p>To perform operations on a web element</p> Signup and view all the answers

    What does the script used in the 'executeScript' method run in?

    <p>An anonymous function</p> Signup and view all the answers

    Can the script used in the 'executeScript' method return values?

    <p>Yes</p> Signup and view all the answers

    What is the purpose of passing complicated arguments to the 'executeScript' method?

    <p>To customize the JavaScript execution</p> Signup and view all the answers

    Which method of JavaScriptExecutor allows writing tests more like normal coding?

    <p>executeAsyncScript</p> Signup and view all the answers

    What does the executeAsyncScript method do?

    <p>Sends a callback to the server-side Testing suite</p> Signup and view all the answers

    What is the purpose of the sleep in the browser under test?

    <p>To wait for a specified amount of time</p> Signup and view all the answers

    What does the script timeout set to 20 seconds do?

    <p>Sets the timeout for the script to 20 seconds</p> Signup and view all the answers

    What is the purpose of the window.scrollBy(0,600) script?

    <p>To scroll down the page by 600 pixels</p> Signup and view all the answers

    What is the purpose of the JavascriptExecutor interface object?

    <p>To execute JavaScript code using Selenium Webdriver</p> Signup and view all the answers

    What does the log4j warning message indicate?

    <p>The log4j system requires configuration</p> Signup and view all the answers

    What is the domain name of the site?

    <p>demo.guru99.com</p> Signup and view all the answers

    What is the URL of the site?

    <p><a href="https://demo.guru99.com/V4/">https://demo.guru99.com/V4/</a></p> Signup and view all the answers

    What is the title of the page?

    <p>Guru99 Bank Home Page</p> Signup and view all the answers

    Which data types can be returned by the JavaScriptExecutor in Selenium?

    <p>Boolean, Long, String, List, WebElement</p> Signup and view all the answers

    What is the purpose of the executeAsyncScript method in JavaScriptExecutor?

    <p>To execute an asynchronous piece of JavaScript in Selenium</p> Signup and view all the answers

    Which package needs to be imported to use JavaScriptExecutor in Selenium?

    <p>org.openqa.selenium.JavascriptExecutor</p> Signup and view all the answers

    What is the purpose of the executeScript method in JavaScriptExecutor?

    <p>To execute a synchronous piece of JavaScript in Selenium</p> Signup and view all the answers

    What is the domain name of the site in the example code?

    <p>demo.guru99.com</p> Signup and view all the answers

    What is the URL of the site in the example code?

    <p><a href="https://demo.guru99.com/V4/">https://demo.guru99.com/V4/</a></p> Signup and view all the answers

    What is the purpose of the window.location script in the example code?

    <p>To navigate to a different page</p> Signup and view all the answers

    What is the title of the page in the example code?

    <p>JavaSE_Test</p> Signup and view all the answers

    What does the executeScript method do in the example code?

    <p>Clicks a button and generates an alert window</p> Signup and view all the answers

    What does the executeAsyncScript method do in Selenium?

    <p>Executes an asynchronous piece of JavaScript</p> Signup and view all the answers

    Study Notes

    JavaScriptExecutor in Selenium

    • The JavaScriptExecutor interface helps to execute JavaScript through Selenium Webdriver.

    Methods of JavaScriptExecutor

    • The executeScript method is used to run JavaScript on the selected window or current page.
    • The executeAsyncScript method is used to run an asynchronous JavaScript.

    Purpose of JavaScriptExecutor

    • JavaScriptExecutor is used when locators like XPath and CSS do not work in Selenium Webdriver.
    • The purpose of using JavaScriptExecutor is to interact with the web page and perform actions that cannot be performed using Selenium's built-in functionalities.

    Importing JavaScriptExecutor

    • The org.openqa.selenium.JavascriptExecutor package needs to be imported to use JavaScriptExecutor in Selenium.

    executeScript Method

    • The executeScript method runs the script in the context of the currently selected frame or window.
    • The script used in the executeScript method can return values.
    • Complicated arguments can be passed to the executeScript method.

    executeAsyncScript Method

    • The executeAsyncScript method allows writing tests more like normal coding.
    • The executeAsyncScript method runs an asynchronous JavaScript.

    Script Timeout

    • Setting the script timeout to 20 seconds ensures that the script will timeout if it takes longer than 20 seconds to execute.

    Browser Sleep

    • The purpose of the sleep in the browser under test is to pause the execution of the script.

    Window Scroll

    • The window.scrollBy(0,600) script is used to scroll the window by 600 pixels.

    JavaScriptExecutor Interface

    • The JavaScriptExecutor interface object is used to execute JavaScript on the browser.

    Log4j Warning Message

    • The log4j warning message indicates that there is a problem with the logging configuration.

    Site Information

    • The domain name of the site can be retrieved using JavaScriptExecutor.
    • The URL of the site can be retrieved using JavaScriptExecutor.
    • The title of the page can be retrieved using JavaScriptExecutor.

    Return Data Types

    • The JavaScriptExecutor in Selenium can return various data types, including strings, integers, and objects.

    Example Code

    • The window.location script is used to retrieve the URL of the site.
    • The executeScript method is used to execute JavaScript on the browser.
    • The executeAsyncScript method is used to run an asynchronous JavaScript.

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    Description

    Learn how to execute JavaScript code using Selenium Webdriver with the help of JavaScriptExecutor interface. Discover the two methods it provides and enhance your Java programming skills.

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