Introduction
Determining if a web page has fully loaded in Selenium can be crucial for reliable web navigation and data retrieval. While specific element visibility checks are commonly used, there is a need for generic solutions.
Question
I am trying to determine if a web page is completely loaded in Selenium, ensuring that all controls and content are present. However, using the approach of checking 'document.readyState' with a WebDriverWait does not seem to work consistently. Is there a generic function available in Selenium to check if a page has finished loading?
Answer
No, there is not a dedicated generic function in Selenium to directly check if a page has fully loaded.
Page Load Strategy
One approach is to set the 'pageLoadStrategy' to 'normal' using either DesiredCapabilities or ChromeOptions. This strategy waits until the browser client has received a 'document.readyState' equal to "complete." However, this does not guarantee that all JavaScript and Ajax calls are complete.
Ajax Completion
To account for this, a custom function can be created to wait for Ajax completion, checking if 'jQuery.active' is equal to 0.
Expected Conditions
A more reliable approach is to use a WebDriverWait with ExpectedConditions. This allows you to wait for specific conditions to be met, such as the visibility of a particular element or the presence of a specific title.
Element Visibility
If you need to ensure that a specific element is visible before proceeding, use ExpectedConditions.visibilityOfElementLocated() to wait for that element to become visible.
References
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