Benchmarking JS XML parsers

This small test compares the following SAX-style XML parsers avaliable:

• sax-js
• easysax
• saxen

Test Coverage

The following aspects are tested

• strict mode (parsing XML only)
• events: openTag, closeTag, text
• attribute processing on
• entity decoding on
• namespace parsing on

Results

Size

Comparing parsers by bundled size:

parser	default	min+gzipped
sax-js	40KB	6.7 KB
easysax	20KB	2.1KB
saxen	21KB	2.6KB

XML Parse Time

Parsing ./complex.bpmn.

parser	average time
sax-js	30.3ms
easysax	5.2ms
saxen	5.1ms

Cf. tests.

How to Run

npm install

# test minify
npm run minify

# test performance (in browser)
npm run perf

# open index.html in a web browser

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