elementui 长表单验证滚动到首个错误位置

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this.$refs['form'].validate(valid => {     if(valid){         // 验证通过               } else {         // 验证失败         this.$nextTick(() => {             let isError = document.getElementsByClassName('is-error')             isError[0].scrollIntoView({                 block: 'center',                 behavior: 'smooth'            })        })     } }）