Regexp vs Parser

JavaScript performance comparison

Revision 6 of this test case created by Jamie Hill

Info

Comparing a parser written with regexp's with a proper parser.

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Testing in unknown unknown
Test Ops/sec
Regexp Parser
regexParser(css);
pending…
Real Parser with "case"
realParserWithCase(css);
pending…
Real Parser with "if"
realParserWithIf(css);
pending…
Real Parser with Lookup
realParserWithLookup(css);
pending…

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