A.
var div1 = document createElement("div"); document.body. deleteChild(div1);
B.
var div1 = document. createElement(" div"); document.body.appendChild(div1);
C.
var div1 = document createElement("div"); document.body.replaceChild(div1);
D.
var div1 = document creatElement("div' ); document.body.removeChild(div1);