overflow:scroll组件添加内容后自动滚动到元素的底部

当一个元素设定胃overflow:scroll,超出的部分需要滚动查看,当内容有增加后,为了体验更好,滚动到底部会更好

<el-input
        :autosize="{ minRows: 20, maxRows: 26 }"
        type="textarea"
        class="inputText"
        id="mainText"
        v-model="articleText"
        resize="none"
        placeholder="请输入文章内容"
      ></el-input>
this.$nextTick(() => {
    
    
      setTimeout(() => {
    
    
        const textarea = document.getElementById('mainText');
        if (textarea) {
    
    
          textarea.scrollTop = textarea.scrollHeight;
        }
      }, 10);
    });

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转载自blog.csdn.net/qq_41867900/article/details/130602589