scroll() — langchain Function Reference

Architecture documentation for the scroll() function in crawler.py from the langchain codebase.

Function python AgentOrchestration ClassicChains

Entity Profile

AgentOrchestration→ ClassicChains→ scroll() — langchain Function Reference

Dependency Diagram

graph TD
  b1787df7_7f98_f476_b1ef_b22bcc573a1f["scroll()"]
  73034b47_6ada_6cee_4b85_e74b6a3e14f1["Crawler"]
  b1787df7_7f98_f476_b1ef_b22bcc573a1f -->|defined in| 73034b47_6ada_6cee_4b85_e74b6a3e14f1
  style b1787df7_7f98_f476_b1ef_b22bcc573a1f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/natbot/crawler.py lines 93–110

    def scroll(self, direction: str) -> None:
        """Scroll the page in the given direction.

        Args:
            direction: The direction to scroll in, either "up" or "down".
        """
        if direction == "up":
            self.page.evaluate(
                "(document.scrollingElement || document.body).scrollTop = "
                "(document.scrollingElement || document.body).scrollTop - "
                "window.innerHeight;"
            )
        elif direction == "down":
            self.page.evaluate(
                "(document.scrollingElement || document.body).scrollTop = "
                "(document.scrollingElement || document.body).scrollTop + "
                "window.innerHeight;"
            )