class RubyRunJs::OPCODES::TYPEOF
special unary operations
Public Class Methods
new(identifier)
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# File lib/ruby_run_js/opcodes.rb, line 53 def initialize(identifier) @identifier = identifier end
Public Instance Methods
eval(ctx)
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# File lib/ruby_run_js/opcodes.rb, line 57 def eval(ctx) # typeof something_undefined does not throw reference error val = ctx.get_binding_value(@identifier, false) ctx.stack.append(typeof_uop(val)) nil end