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Apr 27th, 2018
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  1. function containsArray3 (outer, inner) {
  2. return !!(
  3. -1 < ('[' + outer.join('][') + ']')
  4. .indexOf('[' + inner.join(',') + ']')
  5. );
  6. }
  7.  
  8. // quite slow :(
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