1. A handwriting recognition method executable by at least one processor of an electronic device, the method comprising: recognizing a handwriting in a handwriting input area and displaying the recognized handwriting in the handwriting input area; determining whether a preset slide operation is applied to the handwriting input area; adding a new handwriting input area according to the slide operation when the preset slide operation is applied to the handwriting input area; recognizing a handwriting in the new handwriting input area and displaying the recognized handwriting in the new handwriting input area; determining whether a handwriting input is finished; combining the handwritings in the handwriting input area and in the new handwriting input area to form a complete word upon determining that the handwriting input is finished; and displaying the complete word.