JavascriptExecutor in SeleniumWebDriver|| Alert generation || Click Action ||Scrolling || Border
1)JavaScriptExecutor is an Interface that helps to execute JavaScript through Selenium Webdriver.
2)JavaScriptExecutor provides two methods “executescript” & “executeAsyncScript” to run javascript on the selected window or current page
Why do we need JavaScriptExecutor?
In Selenium Webdriver, locators like XPath, CSS, etc. are used to identify and perform operations on a web page.
In case, these locators do not work you can use JavaScriptExecutor. You can use JavaScriptExecutor to perform an desired operation on a web element.
Selenium supports javaScriptExecutor. There is no need for an extra plugin or add-on. You just need to import (org.openqa.selenium.JavascriptExecutor) in the script as to use JavaScriptExecutor.
How to use JavaScriptExecutor in Selenium:
1) Import the package.
import org.openqa.selenium.JavascriptExecutor;
2) Create a Reference.
JavascriptExecutor js = (JavascriptExecutor) driver;
3) Call the JavascriptExecutor method.
js.executeScript(script, args);
Actions by js:
Draw Border
Get Title
Click Using Javascript
Generate Alert
Scroll down to end of d page
Scroll up
Scroll to desired pixel
Zoom in and Zoom out
Flash d WebElement
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