window.onload = function () {
var ig = document.createElement("img");
ig.src = "mm.png";
ig.width= "250";
ig.height="200";
var div = document.getElementById("div");
div.appendChild(ig);
var span = document.createElement("span");
span.style.textAlign="center";
span.width = "250";
span.height = "50";
span.innerText="1111";
div.appendChild(span);
这个代码只能加在右边!!!如何加在下面