Question

Which statement will call the function paint every time the mouse is moved?

a) onMouseMove(paint);
b) addEventListener('mousemove', paint);
c) setMouseCallback(paint);
d) registerMouseMovement(paint);

Answer 1

To call the function 'paint' every time the mouse is moved, use addEventListener('mousemove', paint) in JavaScript.

Step-by-step explanation:

The statement that will call the function paint every time the mouse is moved is b) addEventListener('mousemove', paint). This syntax is used in JavaScript to register an event handler for a specified event on a web page element. In this case, the event is mousemove and the event handler is the function paint. When you use addEventListener, it allows you to execute the specified function whenever the mouse moves over the element in question. This is because the addEventListener() function is used to attach an event handler to a specified element, in this case, the 'mousemove' event. Whenever the mouse is moved, the paint function will be executed.