python+playwright 学习-41.locator.evaluate()对定位的元素执行JavaScript脚本

    # 上海悠悠 wx:283340479
# blog:https://www.cnblogs.com/yoyoketang/page = browser.new_page()
page.goto("http://127.0.0.1/login.html")username = page.locator('#username')
# 输入框输入内容
username.evaluate('node => node.value="yoyo"')
# 获取输入框内容
input_value = username.evaluate('node => node.value')
print(input_value)  # yoyo

# 上海悠悠 wx:283340479
# blog:https://www.cnblogs.com/yoyoketang/from playwright.sync_api import sync_playwrightwith sync_playwright() as p:
browser = p.chromium.launch(
headless=False
)
page = browser.new_page()
page.goto("https://www.baidu.com/")links = page.locator('#s-top-left>a')
# 定位全部元素
res = links.evaluate_all('nodes => nodes.length')
print(res)  # 7