Ajax controls using Web Driver

    AJAX stands for Asynchronous JavaScript. It allows the Web page to retrieve amounts of data from the server without reloading the entire page. In AJAX has driven web applications, data from the server without refreshing the page.   We provide  Best Selenium Training Institute in Hyderabad by Real time Experts. We Offer Selenium live project   When we perform any action on Ajax controls. It using Wait commands will not work as the page is not actually refreshed here. Pausing the test execution using threads for a certain period of time. It is also not a good approach as web element. They earlier than the period of time depending on the system’s responsiveness, load. The other uncontrolled factors of the moment lead to test failures.   The best approach would be to wait for the required element in a dynamic period. Then continue the test execution as soon as the element found/visible manner.   This can do achieved with WebDriverWait in combination with the Expected condition. The best way to wait for an element checking for the condition in the script condition.   There are many methods which are available to use with wait.until. The below are the few use testing an application  

Syntax:

  WebDriverWait wait = new WebDriverWait(driver, waitTime); wait.until(ExpectedConditions.presenceOfElementLocated(locator)); The above statement will check for the element presence on the DOM of a page. This does not mean that the element is visible.  

Syntax:

  WebDriverWait wait = new WebDriverWait(driver, waitTime); wait.until(ExpectedConditions.visibilityOfElementLocated(locator)); The above syntax will for the element present in the DOM of a page is visible. Sometimes We need to check the element is invisible or not.  

Syntax:

  WebDriverWait wait = new WebDriverWait(driver, waitTime); wait.until(ExpectedConditions.invisibilityOfElementLocated(locator)); an exception as org.openqa.selenium.WebDriverException. The element is not clickable at the point. Another element would receive the click The below one use to wait for the element to be clickable.

Syntax:

  WebDriverWait wait = new WebDriverWait(driver, waitTime); wait.until(ExpectedConditions.elementToBeClickable(locator));  

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