javascript - React tutorial error rendering CommentForm and CommentList -


i started official react tutorial , seem stumbling upon error prevents browser showing content, it's stupid typo, can't seem find it. in var commentbox when remove <commentlist /> , <commentform />, element <h1>comments</h1> appears, when add them nothing appears in browser, <h1>comments</h1>. overlooking, ideas? thanks!

my code

<div id="content"></div>     <script type="text/jsx">        var commentbox = react.createclass({         render: function () {           return (             <div classname="commentbox">               <h1>comments</h1>               <commentlist />               <commentform />             </div>           );         }       });       react.render(         <commentbox />,         document.getelementbyid('content')       );        var commentlist = react.createclass({         render: function () {           return (             <div classname="commentlist">               hello, world! commentlist.             </div>           );         }       });        var commentform = react.createclass({         render: function () {           return (             <div classname="commentform">               hello, world! commentform.             </div>           );         }       });      </script>

you need move var declaration of "commentlist" , "commentform" top of script tag, above "commentbox". because in javascript there hoisting. put example in github: https://github.com/josemato/stackoverflow/blob/master/reactjs-tutorial/index.html


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