apply
Applies a JavaScript function to the element and returns the result. The given js_function string should accept the js element as parameter, and can be a arrow function, or function declaration.
Examples of valid JavaScript functions:
(elem) => { elem.value = "blabla"; console.log(elem); alert(JSON.stringify(elem)); }
elem => elem.play()
function myFunction(elem) { alert(elem) }
Return
The result of the function call, or null if the result is not serializable.
Parameters
jsFunction
The JavaScript function to apply to the element.
awaitPromise
If true, waits for any promises to resolve before returning the result.