fix jhy#1411

src/main/java/org/jsoup/nodes/Element.java

@@ -1621,6 +1621,22 @@ public Element html(String html) {
         return this;
     }
 
+    /**
+     * Create an element with HTML.
+     * @param html HTML to parse, there should be only one outer tag which become the return element.
+     * @return the element create by the outer tag
+     * @see #html(String)
+     */
+    static Element of(final String html){
+        Element e = new Element("div").html(html);
+        if (e.childNodeSize() > 1){
+            throw new IllegalArgumentException("Element syntax error: Number of outer element must be one.");
+        }else if (e.childNodeSize() == 0){
+            throw new IllegalArgumentException("Element syntax error: No legal element detected.");
+        }
+        return e.child(0);
+    }
+
     @Override
     public Element clone() {
         return (Element) super.clone();

src/test/java/org/jsoup/nodes/ElementTest.java

@@ -2039,4 +2039,25 @@ public void childNodesAccessorDoesNotVivify() {
         els.add(new Element("a"));
         assertEquals(1, els.size());
     }
+
+    @Test
+    public void elementOf01() {
+        assertThrows(IllegalArgumentException.class,()->{
+            Element e = Element.of("<span>Some stuff</span><span>Second part</span>");
+        });
+    }
+
+    @Test
+    public void elementOf02() {
+        Element e = Element.of("<div id=\"test\"><span>Some stuff</span><span>Second part</span></div>");
+        assertEquals("div",e.tag().getName());
+        assertEquals("test",e.attributes().get("id"));
+    }
+
+    @Test
+    public void elementOf03() {
+        assertThrows(IllegalArgumentException.class,()->{
+            Element e = Element.of("");
+        });
+    }
 }