Readability

Automated Readability Index, Flesch-Kincaid (ease/level), Gunning-Fog, SMOG Index, Coleman-Liau

Demo

Examples

> const testPhrase = 'No kidding - Lorenzo called off his trip to visit Mexico City just because they told him the conquistadores were extinct.';

Automated Readability Index

> Readability.automatedReadability(testPhrase);
11.274285714285718

SMOG Index

> Readability.smog(testPhrase);
10.065306667255596

Gunning Fog

> Readability.gunningFog(testPhrase);
14.114285714285714

Coleman Liau

> Readability.colemanLiau(testPhrase);
11.952857142857141

Flesch Kincaid

> Readability.fleschKincaid(testPhrase);
{ ease: 52.57714285714289, gradeLevel: 11.142857142857142 }