javascript - endsWith

 

if (!String.prototype.endsWith) {

  String.prototype.endsWith = function(searchString, position) {

      var subjectString = this.toString();

      if (typeof position !== 'number' || !isFinite(position) || Math.floor(position) !== position || position > subjectString.length) {

        position = subjectString.length;

      }

      position -= searchString.length;

      var lastIndex = subjectString.indexOf(searchString, position);

      return lastIndex !== -1 && lastIndex === position;

  };

}

 

 

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참조 : https://developer.mozilla.org/ko/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith