Which of Following Codes of an Event Handler Records the Exact

Multiple Choice

Which of following codes of an event handler records the exact window position of the mouse pointer as it maneuvers across an element?

A) document.getElementById("element1") .onmouseenter = trackPointer; function trackPointer(e) { var hPos = e.clientX; document.getElementById("element2") .innerText;
B) document.getElementById("element1") .onmouseclick = trackPointer; function trackPointer(e) { var vPos = e.clientY; document.getElementById("element2") .innerText = " (" + hPos + ", " + vPos + ") "; }
C) document.getElementById("element1") .onmousemove = trackPointer; function trackPointer(e) { var hPos = e.clientX; var vPos = e.clientY; document.getElementById("element2") .innerText = " (" + hPos + ", " + vPos + ") "; }
D) document.getElementById("element1") .onmouseup = trackPointer; function trackPointer(e) { var hPos = e.clientX; document.getElementById("element2") .innerText = " (" + hPos + ", " + vPos + ") "; }