Contents

export default class Isogram {

  constructor(string) {
    this.string = string.replace(/ |-/g, '');
  }

  isIsogram() {
    const uniqueLetters = this.string.toLowerCase().split('').filter((element, index, self) => self.indexOf(element) === index);
    return uniqueLetters.length === this.string.length;
  }
}

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.179	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.178	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.177	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.176	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.175	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.174	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.173	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.172	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.171	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.170	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.169	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.167	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.166	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.165	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.164	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.163	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.162	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.161	tracks/ecmascript/exercises/isogram/example.js
trackler-2.2.1.160	tracks/ecmascript/exercises/isogram/example.js