Documentation Look-up in External JavaScript Libraries
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From PyCharm, you can also view documentation for symbols defined in external JavaScript libraries and frameworks. Upon pressing with the caret positioned at the symbol, PyCharm invokes the corresponding link and opens the documentation page in the default PyCharm browser.
To enable the external JavaScript library lookup functionality
Download the required libraries or frameworks.
Configure the downloads as libraries at the PyCharm level.
Specify links to external documentation.
To view documentation on a symbol defined in an external JavaScript library Place the caret at the symbol and press or choose View | External Documentation from the main menu.