{"action":"created","issue":{"url":"https://api.github.com/repos/facebook/react/issues/4531","labels_url":"https://api.github.com/repos/facebook/react/issues/4531/labels{/name}","comments_url":"https://api.github.com/repos/facebook/react/issues/4531/comments","events_url":"https://api.github.com/repos/facebook/react/issues/4531/events","html_url":"https://github.com/facebook/react/issues/4531","id":98308859,"number":4531,"title":"onMouseEnter is broken in 0.14.0-beta1 in Chrome","user":{"login":"hgl","id":7038035,"avatar_url":"https://avatars.githubusercontent.com/u/7038035?v=3","gravatar_id":"","url":"https://api.github.com/users/hgl","html_url":"https://github.com/hgl","followers_url":"https://api.github.com/users/hgl/followers","following_url":"https://api.github.com/users/hgl/following{/other_user}","gists_url":"https://api.github.com/users/hgl/gists{/gist_id}","starred_url":"https://api.github.com/users/hgl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hgl/subscriptions","organizations_url":"https://api.github.com/users/hgl/orgs","repos_url":"https://api.github.com/users/hgl/repos","events_url":"https://api.github.com/users/hgl/events{/privacy}","received_events_url":"https://api.github.com/users/hgl/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-07-31T03:22:20Z","updated_at":"2015-07-31T03:24:36Z","closed_at":null,"body":"`onMouseEnter` handler is not called when mouse over an element:\r\n\r\n```jsx\r\nclass Box extends React.Component {\r\n\tconstructor(props) {\r\n\t\tsuper(props);\r\n\t\tthis.state = {text: \"leave\"};\r\n\t}\r\n\r\n\trender() {\r\n\t\tlet enter = () => this.setState({text: \"enter\"});\r\n\t\treturn (\r\n\t\t\t<div onMouseEnter={enter}>{this.state.text}</div>\r\n\t\t);\r\n\t}\r\n}\r\n\r\nlet container = document.getElementById(\"container\");\r\n  \r\nReact.render(<Box/>, container);\r\n```\r\n\r\nWorks in other browsers but not Chrome (stable or canary).\r\n\r\nHowever, if you render a list of divs each has a `onMouseEnter` handler, mouse enter between them works, but not from outside to one of of divs."},"comment":{"url":"https://api.github.com/repos/facebook/react/issues/comments/126555507","html_url":"https://github.com/facebook/react/issues/4531#issuecomment-126555507","issue_url":"https://api.github.com/repos/facebook/react/issues/4531","id":126555507,"user":{"login":"hgl","id":7038035,"avatar_url":"https://avatars.githubusercontent.com/u/7038035?v=3","gravatar_id":"","url":"https://api.github.com/users/hgl","html_url":"https://github.com/hgl","followers_url":"https://api.github.com/users/hgl/followers","following_url":"https://api.github.com/users/hgl/following{/other_user}","gists_url":"https://api.github.com/users/hgl/gists{/gist_id}","starred_url":"https://api.github.com/users/hgl/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hgl/subscriptions","organizations_url":"https://api.github.com/users/hgl/orgs","repos_url":"https://api.github.com/users/hgl/repos","events_url":"https://api.github.com/users/hgl/events{/privacy}","received_events_url":"https://api.github.com/users/hgl/received_events","type":"User","site_admin":false},"created_at":"2015-07-31T03:24:36Z","updated_at":"2015-07-31T03:24:36Z","body":"Was trying to set up an online demo, but couldn't find any react & react-dom 0.14.0-beta1 main scripts that are directly usable in browsers."}}