Fetches an element and performs the native .blur() in the browser.
That means that this element will lose the focus-state.
Resolves when browser-script finished
Fetches an element and performs the native .focus() method in the browser.
When _focus is performed on an <input> element, it will be automatically scrolled into the viewport by the browser.
Note that not all elements will get an actual focus in the browser.
Usually links and user-controls (e.g. <input>, <textarea>, <select>...) can gain focus.
Query or concrete WebElement
Resolves when browser-script finished
Combines methods to bring either focus or blur to webelements elements