The focus() is an inbuilt method in jQuery which is used to focus on an element. The element get focused by the mouse click or by the tab-navigating button.
Here selector is the selected element.
Parameter: It accepts an optional parameter “function” which specifies the function to run when the focus event occurs.
Return Value: It returns the selected element which get focused.
In the below code, a function is passed to this method.
Before the mouse clicking inside of the input field-
After the mouse clicking inside of the input field with text “GeeksforGeeks”-
In the below code, no parameter is passed to this method.
Before the mouse is clicked inside of the input field-
After the mouse is clicked inside of the input field with text “GeeksforGeeks”-
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