أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
A. It executes when the object loses the input focus.
B. It executes when the object receives focus.
C. It executes when the user clicks the left mouse button on the object.
D. It executes when the contents of the object or selection have changed.
option A, It executes when the object loses the input focus