{"action":"opened","issue":{"url":"https://api.github.com/repos/cobus07/front-end-knowledge-list/issues/18","repository_url":"https://api.github.com/repos/cobus07/front-end-knowledge-list","labels_url":"https://api.github.com/repos/cobus07/front-end-knowledge-list/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/cobus07/front-end-knowledge-list/issues/18/comments","events_url":"https://api.github.com/repos/cobus07/front-end-knowledge-list/issues/18/events","html_url":"https://github.com/cobus07/front-end-knowledge-list/issues/18","id":179768888,"number":18,"title":"变量提升","user":{"login":"cobus07","id":13163289,"avatar_url":"https://avatars.githubusercontent.com/u/13163289?v=3","gravatar_id":"","url":"https://api.github.com/users/cobus07","html_url":"https://github.com/cobus07","followers_url":"https://api.github.com/users/cobus07/followers","following_url":"https://api.github.com/users/cobus07/following{/other_user}","gists_url":"https://api.github.com/users/cobus07/gists{/gist_id}","starred_url":"https://api.github.com/users/cobus07/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cobus07/subscriptions","organizations_url":"https://api.github.com/users/cobus07/orgs","repos_url":"https://api.github.com/users/cobus07/repos","events_url":"https://api.github.com/users/cobus07/events{/privacy}","received_events_url":"https://api.github.com/users/cobus07/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-09-28T13:13:22Z","updated_at":"2016-09-28T13:13:22Z","closed_at":null,"body":"1.提升的部分只是变量声明，赋值语句和可执行的代码逻辑还保持在原地不动\r\n2.提升只是将变量声明提升到变量所在的变量范围的顶端，并不是提升到全局范围"}}
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