try_get_value method

try_get_value

Gets the value associated with the specified key.

True if the MutationObserverInit contain a specified key; otherwise, false.

def try_get_value(self, key, value):
    ...

Parameter	Type	Description
key	str	The key of the value to get.
value	any	When this method returns, contains the value associated with the specified key, if the key is found; otherwise null.