javascript 0.3.0

A JavaScript engine implementation in Rust
Documentation 
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// feature probe for 'arraybuffer-transfer'
try {
  if (typeof ArrayBuffer !== 'function') throw new Error('ArrayBuffer missing');
  if (typeof ArrayBuffer.prototype.transfer !== 'function') throw new Error('transfer missing');
  if (typeof ArrayBuffer.prototype.transferToFixedLength !== 'function') throw new Error('transferToFixedLength missing');
  var desc = Object.getOwnPropertyDescriptor(ArrayBuffer.prototype, 'detached');
  if (!desc || typeof desc.get !== 'function') throw new Error('detached getter missing');
  console.log('OK');
} catch (_) {
  console.log('NO');
}