linguagem

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Javascript - ECMA-262

titulo

Javascript: Diagrama Sintático - Diagrama de Sintaxe, BNF, Comandos, Exemplos

descritor

apoie, apoie.org, Javascript, script, statementBlock, statement, ifStatement, forStatement, expr, Comando, BNF, Diagrama Sintático - Diagrama de Sintaxe, Exemplo, Comandos, Linguagem, Filtro, xml, sintaxe, sintaxe original, desenho, programação

lead

Sintaxes representadas por Diagrama Sintático - Diagrama de Sintaxe gerados a partir de BNF , Guia de visualização rápida e Exemplos.

link

Cheat-sheet

origem

Javascript.xml

referencia

~DSGerador~ Referência rápida (Cheat Sheet)

fonte

http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf

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Program

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[SourceElement+]

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SourceElement

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Statement | FunctionDeclaration

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FunctionDeclaration

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function Identifier FormalParameterList FunctionBody

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FunctionExpression

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function Identifier? FormalParameterList FunctionBody

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FormalParameterList

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'(' [Identifier ( ',' Identifier)*] ')'

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FunctionBody

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'{' [SourceElement+] '}'

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Statement

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Block VariableStatement |
EmptyStatement | ExpressionStatement |
IfStatement |
IterationStatement ContinueStatement |
BreakStatement |
ReturnStatement | WithStatement |
LabelledStatement |
SwitchStatement ThrowStatement |
TryStatement | DebuggerStatement

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Block

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'{' StatementList '}'

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StatementList

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[Statement+]

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VariableStatement

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var VariableDeclarationList ';'

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VariableDeclarationList

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VariableDeclaration (',' VariableDeclaration)*

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VariableDeclarationListNoIn

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VariableDeclarationNoIn (',' VariableDeclarationNoIn)*

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VariableDeclaration

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Identifier Initialiser?

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VariableDeclarationNoIn

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Identifier InitialiserNoIn?

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Initialiser

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'=' AssignmentExpression

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InitialiserNoIn

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'=' AssignmentExpressionNoIn

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EmptyStatement

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';'

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ExpressionStatement

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[lookahead 'nao pertence' '{''{'',' function'}'] Expression ';'

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IfStatement

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if '(' Expression ')' Statement [else Statement]

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IterationStatement

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do Statement while '(' Expression ')' ';' | while '(' Expression ')' Statement |
for '(' (ExpressionNoIn? | var VariableDeclarationListNoIn) ';' Expression? ';' Expression? ')' Statement |
for '('(LeftHandSideExpression | var VariableDeclarationNoIn)in Expression ')' Statement

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ContinueStatement

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continue [no LineTerminator here] Identifier? ';'

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BreakStatement

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break [no LineTerminator here] Identifier? ';'

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ReturnStatement

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return [no LineTerminator here] Expression? ';'

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WithStatement

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with '(' Expression ')' Statement

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SwitchStatement

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switch '(' Expression ')' CaseBlock

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CaseBlock

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'{' CaseClauses [DefaultClause CaseClauses] '}'

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CaseClauses

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[CaseClause+]

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DefaultClause

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default ':' StatementList

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LabelledStatement

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Identifier ':' Statement

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ThrowStatement

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throw [no LineTerminator here] Expression ';'

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TryStatement

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try Block (Catch | Finally | Catch Finally)

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Catch

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catch'(' Identifier ')' Block

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Finally

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finally Block

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DebuggerStatement

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debugger ';'

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