/Javascript/React/How do I conditionally add attributes to React components?

How do I conditionally add attributes to React components?

Conditional jsx property

render() {
  return (
    <a className="navbar-brand" {... url ? {href: url} : {}}>Logo</a>
  )
}

Source: stackoverflow.com

How do I conditionally add attributes to React components?

var InputComponent = React.createClass({
    render: function() {
        var required = true;
        var disabled = false;

        return (
            <input type="text" disabled={disabled} required={required} />
        );
    }
});

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