Click on a button within a pop-up window with python selenium

Question

The GUI as below: GUI. HTML content as below: HTML. I'm trying to use python selenium to click the "OK" button in many ways: For example:

driver.switch_to_alert()

driver.find_element_by_id("YesBtn").click()

or

driver.switch_to_alert()

driver.find_element_by_xpath("//div[@id='YesBtn']").click()

or

driver.switch_to_alert()

driver.find_element_by_xpath("//input[@id='YesBtn']/html/body/div/div/div/div/div[3]").click()

But I always get error message like:

Unable to locate element: {"method":"id","selector":"YesBtn"}

Please help in this matter

Answer 1

It's not an Alert but a Modal Dialog Box. You have to induce WebDriverWait in-conjunction with expected_conditions clause set to element_to_be_clickable as follows :

WebDriverWait(driver, 10).until(EC.element_to_be_clickable((By.XPATH, "//input[@class='btn btn-primary' and @id='YesBtn']"))).click()

For further understanding, you can refer to the Selenium Course.

Comments

What does 'EC' refer to in this answer?

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EC stands for Expected Conditions. In some websites, the elements load dynamically. You have to wait for these web elements to load to use them. In such cases, you use Expected Conditions to specify the conditions. 

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Thanks Rishi, for clarifying the keyword. You explained it really well.