[Solved] What will be the output of the following Selenium Java code snippet?... What will be the output of the following Selenium Java code snippet?JavascriptExecutor js = (JavascriptExecutor) driver; | Selenium Java

Selenium Java - JavaScriptExecutor

What will be the output of the following Selenium Java code snippet?

JavascriptExecutor js = (JavascriptExecutor) driver;
Long height = (Long) js.executeScript("return window.innerHeight;");
System.out.println(height);

AAn error because window.innerHeight is not accessible via JavaScriptExecutor

BThe total height of the webpage including content outside the viewport

CThe height of the HTML document's body element

DThe height of the browser's viewport in pixels

Step-by-Step Solution

Solution:

Step 1: Understand the JavaScript executed
The script "return window.innerHeight;" returns the height of the viewport (visible area) of the browser window in pixels.
Step 2: Casting the returned value
The returned value is a JavaScript number, which maps to a Long in Java when cast from Object.
Final Answer:
The height of the browser's viewport in pixels -> Option D
Quick Check:
window.innerHeight returns viewport height [OK]

Quick Trick: window.innerHeight returns viewport height [OK]

Common Mistakes:

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