How to use execute_async_script method of Selenium.WebDriver Package

Best Selenium code snippet using Selenium.WebDriver.execute_async_script

custom_wait_methods.rb

Source:custom_wait_methods.rb

...16# You should have received a copy of the GNU Affero General Public License along17# with this program. If not, see <http://www.gnu.org/licenses/>.18module CustomWaitMethods19  def wait_for_dom_ready20    result = driver.execute_async_script(<<~JS)21      var callback = arguments[arguments.length - 1];22      if (document.readyState === "complete") {23        callback(0);24      } else {25        var leftPageBeforeDomReady = callback.bind(null, -1);26        window.addEventListener("beforeunload", leftPageBeforeDomReady);27        document.onreadystatechange = function() {28          if (document.readyState === "complete") {29            window.removeEventListener("beforeunload", leftPageBeforeDomReady);30            callback(0);31          }32        }33      };34    JS35    raise "left page before domready" if result != 036  end37  # If we're looking for the loading image, we can't just do a normal assertion, because the image38  # could end up getting loaded too quickly.39  def wait_for_transient_element(selector)40    driver.execute_script(<<~JS)41      window.__WAIT_FOR_LOADING_IMAGE = 042      window.__WAIT_FOR_LOADING_IMAGE_CALLBACK = null43      var _checkAddedNodes = function(addedNodes) {44        for(var newNode of addedNodes) {45          if(newNode.matches('#{selector}') || newNode.querySelector('#{selector}')) {46            window.__WAIT_FOR_LOADING_IMAGE = 147          }48        }49      }50      var _checkRemovedNodes = function(removedNodes) {51        if(window.__WAIT_FOR_LOADING_IMAGE !== 1) {52          return53        }54        for(var newNode of removedNodes) {55          if(newNode.matches('#{selector}') || newNode.querySelector('#{selector}')) {56            observer.disconnect()57            window.__WAIT_FOR_LOADING_IMAGE = 258            window.__WAIT_FOR_LOADING_IMAGE_CALLBACK && window.__WAIT_FOR_LOADING_IMAGE_CALLBACK()59          }60        }61      }62      var callback = function(mutationsList, observer) {63        for(var record of mutationsList) {64          _checkAddedNodes(record.addedNodes)65          _checkRemovedNodes(record.removedNodes)66        }67      }68      var observer = new MutationObserver(callback)69      observer.observe(document.body, { subtree: true, childList: true })70    JS71    yield72    result = driver.execute_async_script(<<~JS)73      var callback = arguments[arguments.length - 1]74      if (window.__WAIT_FOR_LOADING_IMAGE == 2) {75        callback(0)76      }77      window.__WAIT_FOR_LOADING_IMAGE_CALLBACK = function() {78        callback(0)79      }80    JS81    raise "element #{selector} did not appear or was not transient" if result != 082  end83  def wait_for_ajax_requests(bridge = nil)84    bridge = driver if bridge.nil?85    result = bridge.execute_async_script(<<~JS)86      var callback = arguments[arguments.length - 1];87      // see code in ui/boot/index.js for where88      // __CANVAS_IN_FLIGHT_XHR_REQUESTS__ and 'canvasXHRComplete' come from89      if (typeof window.__CANVAS_IN_FLIGHT_XHR_REQUESTS__  === 'undefined') {90        callback(-1);91      } else if (window.__CANVAS_IN_FLIGHT_XHR_REQUESTS__ === 0) {92        callback(0);93      } else {94        var fallbackCallback = window.setTimeout(function() {95          callback(-2);96        }, #{(SeleniumDriverSetup.timeouts[:script] * 1000) - 500})97        function onXHRCompleted () {98          // while there are no outstanding requests, a new one could be99          // chained immediately afterwards in this thread of execution,100          // e.g. $.get(url).then(() => $.get(otherUrl))101          //102          // so wait a tick just to be sure we're done103          setTimeout(function() {104            if (window.__CANVAS_IN_FLIGHT_XHR_REQUESTS__ === 0) {105              window.removeEventListener('canvasXHRComplete', onXHRCompleted)106              window.clearTimeout(fallbackCallback);107              callback(0)108            }109          }, 0)110        }111        window.addEventListener('canvasXHRComplete', onXHRCompleted)112      }113    JS114    raise "ajax requests not completed" if result == -2115    result116  end117  def wait_for_animations(bridge = nil)118    bridge = driver if bridge.nil?119    bridge.execute_async_script(<<~JS)120      var callback = arguments[arguments.length - 1];121      if (typeof($) == 'undefined') {122        callback(-1);123      } else if ($.timers.length == 0) {124        callback(0);125      } else {126        var _stop = $.fx.stop;127        $.fx.stop = function() {128          $.fx.stop = _stop;129          _stop.apply(this, arguments);130          callback(0);131        }132      }133    JS134  end135  def wait_for_ajaximations(bridge = nil)136    bridge = driver if bridge.nil?137    wait_for_ajax_requests(bridge)138    wait_for_animations(bridge)139  end140  def wait_for_initializers(bridge = nil)141    bridge = driver if bridge.nil?142    bridge.execute_async_script <<~JS143      var callback = arguments[arguments.length - 1];144      // If canvasReadyState isn't defined, we're likely in an IFrame (such as the RCE)145      if (!window.location.href || !window.canvasReadyState || window.canvasReadyState === 'complete') {146        callback()147      }148      else {149        window.addEventListener('canvasReadyStateChange', function() {150          if (window.canvasReadyState === 'complete') {151            callback()152          }153        })154      }155    JS156  end...

driver.rb

Source:driver.rb

...189      #   Arguments to the script. May be empty.190      #191      # @return [WebDriver::Element,Integer,Float,Boolean,NilClass,String,Array]192      #193      def execute_async_script(script, *args)194        bridge.execute_async_script(script, *args)195      end196      #-------------------------------- sugar  --------------------------------197      #198      #   driver.first(id: 'foo')199      #200      alias_method :first, :find_element201      #202      #   driver.all(class: 'bar') #=> [#<WebDriver::Element:0x1011c3b88, ...]203      #204      alias_method :all, :find_elements205      #206      #   driver.script('function() { ... };')207      #208      alias_method :script, :execute_script...

execute_async_script

Using AI Code Generation

1driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 500);")2driver.execute_script("alert('Hello World!');")3driver.execute_script("document.getElementById('lst-ib').value='Selenium'")4driver.execute_script("document.getElementById('lst-ib').value='Selenium'")5driver.execute_script("document.getElementById('lst-ib').value='Selenium'")6driver.execute_script("document.getElementById('lst-ib').value='Selenium'")7driver.execute_script("document.getElementById('lst-ib').value='Selenium'")8driver.execute_script("document.getElementById('lst-ib').value='Selenium'")9driver.execute_script("document.getElementById('lst-ib').value='Selenium'")10driver.execute_script("document.getElementById('lst-ib').value='Selenium'")11driver.execute_script("document.getElementById('lst-ib').value='Selenium'")12driver.execute_script("document.getElementById('lst-ib').value='Selenium'")13driver.execute_script("document.getElementById('lst-ib').value

execute_async_script

Using AI Code Generation

1driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")2driver.find_element(:name, "q").send_keys "Selenium WebDriver"3driver.find_element(:name, "btnK").click4driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")5driver.find_element(:name, "q").send_keys "Selenium WebDriver"6driver.find_element(:name, "btnK").click7driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")8driver.find_element(:name, "q").send_keys "Selenium WebDriver"9driver.find_element(:name, "btnK").click10driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")11driver.find_element(:name, "q").send_keys "Selenium WebDriver"12driver.find_element(:name, "btnK").click13driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")14driver.find_element(:name, "q").send_keys "Selenium WebDriver"15driver.find_element(:name, "btnK").click

execute_async_script

Using AI Code Generation

1  function() {2    var a = document.getElementById("lst-ib");3    a.value = "Hello from JavaScript";4    return a.value;5  }6result = driver.execute_async_script(js)

execute_async_script

Using AI Code Generation

1driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 500);")2driver.execute_script("document.getElementById('lst-ib').value='Selenium'")3driver.execute_script("document.getElementById('lst-ib').value='Selenium'")4driver.execute_script("document.getElementById('lst-ib').value

execute_async_script

Using AI Code Generation

1driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")2driver.find_element(:name, "q").send_keys "Selenium WebDriver"3driver.find_element(:name, "btnK").click4driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")5driver.find_element(:name, "q").send_keys "Selenium WebDriver"6driver.find_element(:name, "btnK").click7driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")8driver.find_element(:name, "q").send_keys "Selenium WebDriver"9driver.find_element(:name, "btnK").click10driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")11driver.find_element(:name, "q").send_keys "Selenium WebDriver"12driver.find_element(:name, "btnK").click13driver.execute_async_script("window.setTimeout(arguments[arguments.length - 1], 5000);")14driver.find_element(:name, "q").send_keys "Selenium WebDriver"15driver.find_element(:name, "btnK").click

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.