+ vue ``` <div class="inTheaters" @click="get" ref="inTheaters" data-type="inTheaters"> <span>正在热映</span> <span class="arrow">></span> </div> console.log(this.$refs.inTheaters.dataset.type); ``` + react ``` <input id="insertArea" className="input" value={this.state.inputValue} onChange={this.handleInputChange} ref={(input) => {this.input = input}} /> const value = this.input.value // ref ```