.exists()

Waits until an element exists before running the next action.

//waits until #foo exists before clicking it.
F("#foo").exists().click()

Parameters

1. timeout {Number}Optional

   overrides FuncUnit.timeout. If provided, the wait will fail if not completed before this timeout.

2. success {function()}Optional

   a success that is run after the selector exists, but before the next action.

3. message {String}Optional

   if provided, an assertion will be passed when this wait condition completes successfully

Returns