Using JavaScript to set attribute values in Python Selenium, these values are cleared after each update

Assuming :

                    for i in list('{}'.format(value)):
                        self.browser.execute_script(
                            "arguments[0].setAttribute('value', '{}');".format(i.replace('\n', '')),
                            self.browser.find_element_by_xpath("{}".format(xpath)))

Let's assume the string to be typed is "asd" It types 'a' first, then deletes it and types 's', deletes 's' and types 'd', and clears when another action is taken (typing in another field or clicking on another element)

Example of HTML element :

<input type="text" class="validate-input input-error" placeholder="Enter Token" value="">

Note: The clearing process remains the same even if the loop is not used and the value is directly passed to the JavaScript function.

EDIT: It is required that the element selector be by xpath.

javascriptpythonjqueryseleniumselenium-webdriver

Answer №1

Check out this tried and tested solution for using XPath to set a value in JavaScript
Note: I rely on the webdriver_manager to handle browsers

def setInputValueByXpath(xpath, inputValue):
    script = "document.evaluate('" + xpath + "', document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue.value = '" + inputValue + "'"
    driver.execute_script(script)

if __name__ == '__main__':
    driver = webdriver.Chrome(ChromeDriverManager().install())
    driver.get('https://www.google.com')

    // call the function above with desired xpath and corresponding value
    setInputValueByXpath('//*[@name="q"]', 'Paint Drying')

    // simulate a search by hitting the enter key
    driver.find_element_by_xpath('//*[@name="q"]').send_keys(Keys.RETURN) 
    time.sleep(5)

    driver.quit()

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