js新增节点

function AddLi() {

        var ul1 = document.getElementById("ulUpLoad");
        var li = document.createElement("li");
        li.setAttribute("id", "li" + (ul1.childNodes.length - 1));
        li.innerHTML = "<input type='text' /> <input type='button' value='上传图片' />";
        ul1.appendChild(li);
        return false;
    };

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