Omit defaultValue attribute

Author: sventschui

src/index.js

@@ -163,7 +163,7 @@ function renderToString(vnode, context, opts, inner, isSvgMode, selectValue) {
 
 			if (name.match(/[\s\n\\/='"\0<>]/)) continue;
 
-			if (!(opts && opts.allAttributes) && (name==='key' || name==='ref' || name==='__self' || name==='__source')) continue;
+			if (!(opts && opts.allAttributes) && (name==='key' || name==='ref' || name==='__self' || name==='__source' || name==='defaultValue')) continue;
 
 			if (name==='className') {
 				if (props.class) continue;

test/render.js

@@ -57,6 +57,41 @@ describe('render', () => {
 			expect(render(<div foo={0} />)).to.equal(`<div foo="0"></div>`);
 		});
 
+		it('should omit key attribute', () => {
+			let rendered = render(<div key="test" />),
+				expected = `<div></div>`;
+
+			expect(rendered).to.equal(expected);
+		});
+
+		it('should omit ref attribute', () => {
+			let rendered = render(<div ref="test" />),
+				expected = `<div></div>`;
+
+			expect(rendered).to.equal(expected);
+		});
+
+		it('should omit __source attribute', () => {
+			let rendered = render(<div __source="test" />),
+				expected = `<div></div>`;
+
+			expect(rendered).to.equal(expected);
+		});
+
+		it('should omit __self attribute', () => {
+			let rendered = render(<div __self="test" />),
+				expected = `<div></div>`;
+
+			expect(rendered).to.equal(expected);
+		});
+
+		it('should omit defaultValue attribute', () => {
+			let rendered = render(<div defaultValue="test" />),
+				expected = `<div></div>`;
+
+			expect(rendered).to.equal(expected);
+		});
+
 		it('should include boolean aria-* attributes', () => {
 			let rendered = render(<div aria-hidden aria-whatever={false} />),
 				expected = `<div aria-hidden="true" aria-whatever="false"></div>`;