I. INTRODUCTION II. LITERATURE REVIEW 1. Perceptions of Online L2 learning 2. L2 learners’ Affective Factors toward Language Learning III. METHODS 1. Participants 2. Instruments 3. Procedures and Analysis IV. RESULTS 1. Result of Grade Levels and Gender Effect 2. The Relationships among the Variables 3. Critical Factors for the Perceptions of Online L2 learning V. DISCUSSIONS AND CONCLUSION REFERENCES