Variable definition

Syntax

• var and let are equivalent.
• const and let const are equivalent.

Note: The let and let const kinds compared to var and const are a matter of personal taste. They are introduced in ShockScript since they were proposed in the non-existing ECMAScript 4.

VariableDefinition^β :
VariableDefinitionKind VariableBindingList^β

VariableDefinitionKind :
var
const
let [lookahead ≠ const ]
let const

VariableBindingList^β :
VariableBinding^β
VariableBindingList^β , VariableBinding^β

VariableBinding^β :
TypedPattern VariableInitialization^β

VariableInitialization^β :
«empty»
= AssignmentExpression^β