In my code, I've created a function called isElementDisplayed which features a call to element.isDisplayed.
I'm curious as to why the isDisplayed method sometimes returns No element found instead of a boolean value.
isElementDisplayed(element: ElementFinder) {
return element.isDisplayed();
}
To determine if an element is visible, use the isDisplayed() method. However, to check if an element exists in the DOM, you should utilize isElementPresent() or isPresent():
expect(browser.isElementPresent(element(by.id('ELEMENT_ID_HERE')))).toBe(false);
expect(element(by.id('ELEMENT_ID_HERE')).isPresent()).toBe(false);
For additional insights:
An error occurred while attempting to locate the element. Utilize a try and catch block to handle and return false.
try{
return element.isDisplayed();
}
catch (Exception e)
{
return false;
// e.getMessage(); // print out the exception message if needed
}
If you're looking to ensure visibility of an element globally, consider implementing a method and utilizing it throughout your code. Here's an example:
public static boolean ElementVisible(By element, WebDriver driver) {
// Set maximum attempts and sleep time
int maxAttempts = 2;
long sleepTimeInMillisForEachIteration = 500;
for (int counter = 0; counter <= maxAttempts; counter++) {
try {
driver.findElement(element);
return true;
} catch (NoSuchElementException | ElementNotVisibleException e) {
if (counter == maxAttempts) {
return false;
}
try {
Thread.sleep(sleepTimeInMillisForEachIteration);
continue;
} catch (InterruptedException e1) {
e1.printStackTrace();
}
}
}
return false;
}
This method will interact with the element if it is visible, handling exceptions and returning false otherwise.
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