{"json_modified": "2015-11-23T18:00:29.270867", "slug": "Glossario/Hoisting", "tags": [], "locale": "pt-BR", "title": "Hoisting", "translations": [{"title": "Hoisting", "url": "/en-US/docs/Glossary/Hoisting", "tags": ["CodingScripting", "Glossary", "JavaScript"], "summary": "In <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/JavaScript\" title=\"JavaScript: JavaScript (JS) is a programming language mostly used client-side to dynamically script webpages, but often also server-side.\">JavaScript</a>, <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Function\" title=\"functions: A function is a code snippet that can be called by other code or by itself, or a variable that refers to the function. When a function is called, arguments are passed to the function as input, and the function can optionally return an output. A function in JavaScript is also an object.\">functions</a> and <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Variable\" title=\"variables: A variable is a named location for storing a value. That way an unpredictable value can be accessed through a predetermined name.\">variables</a> are <strong>hoisted</strong>. Hoisting is JavaScript's behavior of moving declarations to the top of a <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/scope\" title=\"scope: The current context of execution. The context in which values and expressions are &quot;visible,&quot; or can be referenced. If a variable or other expression is not &quot;in the current scope,&quot; then it is unavailable for use. Scopes can also be layered in a hierarchy, so that child scopes have access to parent scopes, but not vice versa.\">scope</a> (the global scope or the current function scope).", "localization_tags": [], "locale": "en-US", "last_edit": "2015-03-18T15:38:32", "review_tags": []}], "modified": "2015-11-23T18:00:28", "label": "Hoisting", "localization_tags": ["inprogress"], "url": "/pt-BR/docs/Glossario/Hoisting", "last_edit": "2015-11-23T18:00:27", "summary": "Em\u00a0<a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossary/JavaScript\" title=\"The definition of that term (JavaScript) has not been written yet; please consider contributing it!\">JavaScript</a>, <a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossary/Function\" title=\"The definition of that term (fun&#xE7;&#xF5;es) has not been written yet; please consider contributing it!\">fun\u00e7\u00f5es</a> e\u00a0<a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossary/Variable\" title=\"The definition of that term (vari&#xE1;veis) has not been written yet; please consider contributing it!\">vari\u00e1veis</a> s\u00e3o\u00a0<strong>hoisted </strong>(ou \"levados ao topo\"). Hoisting \u00e9 um comportamento do\u00a0JavaScript de\u00a0mover declara\u00e7\u00f5es para o topo\u00a0de um\u00a0<a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossary/scope\" title=\"The definition of that term (escopo) has not been written yet; please consider contributing it!\">escopo</a> (o escopo global ou da fun\u00e7\u00e3o em que se encontra).", "sections": [{"id": "Aprenda_mais", "title": "Aprenda mais"}, {"id": "Exemplo_t\u00e9cnico", "title": "Exemplo t\u00e9cnico"}, {"id": "Refer\u00eancia_t\u00e9cnica", "title": "Refer\u00eancia t\u00e9cnica"}], "id": 167307, "review_tags": []}