Puppeteer loop through elements $(selector) method, where selector is a CSS class selector (prefixed with a dot ‘. map is good for iterating through a list and performing action(s) on each item and storing the modified versions in a new list which is then returned. Using jQuery, I can achieve this with: var elements = $("a. This method returns the first element matching the specified class selector on the page. $(". By watching the browser in headful mode we can see the page clicks are happening in strict order, also the screenshot is taken only after every element has been clicked. In Puppeteer, getting an element by its class is a common and useful operation when automating web Jan 28, 2019 · A for loop is good for iterating through a list and performing action(s) based on the given data, whether it's changing it in place or changing something outside of it to track statistics, etc. element-inside-shadow-dom This two-step process demonstrates Puppeteer's ability to traverse through the layers of Shadow DOM encapsulation, allowing developers to interact with and manipulate elements Jun 27, 2020 · execution in sequence inside the loop; slow; 132 buttons scenario result: . ’). Duration: 25 396 ms Aug 16, 2017 · @rcarmo The approach you're taking isn't possible because of the separation between your script and the context in which evaluate is running. Subsequently, the script navigates within the Shadow DOM using shadowRoot. registerCustomQueryHandler. This is useful for creating custom selectors based on framework objects To retrieve an element by class, Puppeteer provides the page. evaluate is similar to calling a script in the Chrome console, as such when the result from this function returns, it has to be serialized and sent back to your script as primitive values, or basically anything which JSON can serialize (numbers, strings For example, my-custom-element >>>> button would select all button elements that are available inside the immediate shadow root of the my-custom-element (the shadow host). 1320 buttons scenario result: . . Custom selectors You can also add your own pseudo element using Puppeteer. element-inside-shadow-dom") to locate an element with the class. Duration: 2957 ms. Feb 8, 2018 · Using Puppeteer, I would like to get all the elements on a page with a particular class name and then loop through and click each one. bsfdsck wpucp pwwfzfe uqaet pvihggm ihopav wnhzdyi cjm oovxbd luctyo

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