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Create _benchmarks/property-accessor-symbol-vs-brackets-variable-vs-brackets-literal-vs-dot-notation.md #321

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29 changes: 29 additions & 0 deletions ...rty-accessor-symbol-vs-brackets-variable-vs-brackets-literal-vs-dot-notation.md
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---
title: property accessor: symbol vs brackets (variable) vs brackets (literal) vs dot notation
setup: |
const fooSymbol = Symbol('@@foo')
const fooString = 'foo'

const obj = {
[fooSymbol]: 123,
foo: 123,
}
tests:
-
name: property accessor: symbol
code: |
const bar = obj[fooSymbol]
-
name: brackets (variable)
code: |
const bar = obj[fooString]
-
name: brackets (literal)
code: |
const bar = obj['foo']
-
name: dot notation
code: |
const bar = obj.foo
---
testing various object lookup methods