Function: getHash( stringOptionalURL )

Description: Returns the hash tag for a URL.

Returns: String.

Note: If stringOptionalURL is undefined, the current browser URL in the address bar will be used instead.

Example:

// Get the hash tag on the current address bar URL.

var hashTag = $A.getHash();

// Or get the hash tag on the specified URL.

var hashTag = $A.getHash("https://whatsock.com/#AutomationTab"); // Returns: "AutomationTab"