locutus/php/strings/strcasecmp.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

'use strict';

module.exports = function strcasecmp(fString1, fString2) {
  //  discuss at: https://locutus.io/php/strcasecmp/
  // original by: Martijn Wieringa
  // bugfixed by: Onno Marsman (https://twitter.com/onnomarsman)
  //   example 1: strcasecmp('Hello', 'hello')
  //   returns 1: 0

  var string1 = (fString1 + '').toLowerCase();
  var string2 = (fString2 + '').toLowerCase();

  if (string1 > string2) {
    return 1;
  } else if (string1 === string2) {
    return 0;
  }

  return -1;
};
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