希望获取每一个子元素的高度html <div class="foods-wrapper" ref="foodsWrapper"> <ul> <li v-for="item in goods" class="food-list food-list-hook"> <h1 class="title">{{item.name}}</h1> </li> </ul> </div>vue逻辑 mounted() { this.$nextTick(() => { this._calculateHeight() }) }, methods: { _calculateHeight() { let foodList = this.$refs.foodsWrapper.getElementsByClassName('food-list-hook') console.log(foodList) console.log(foodList.length)// 0 }_calculatrHeight中得到的foodList打印出来如下,length长度为9,但是并不能使用,打印foodList.Length长度为0,求指点
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