uniapp 微信小程序 监听指定元素距离顶部距离

uniapp yekong 2094℃

uniapp 微信小程序开发 页面滚动距离获取指定元素距离顶部的距离.

html

<div v-if="top<=250.1111111" style='padding-top: 30rpx;background: #fff;'>
					<div class="userinfodesc2" style="margin-top: 0;">
						<div class="works" style="margin-left: 45rpx;">作品 <text>({{data.caseSum}})</text></div>
						<div class="just">|</div>
						<div class="works">浏览量 <text>({{data.popularity}})</text></div>
					</div>
				</div>
<div class="userinfodesc2" id='userinfodesc2'>
					<div class="works" style="margin-left: 45rpx;">作品 <text>({{data.caseSum}})</text></div>
					<div class="just">|</div>
					<div class="works">浏览量 <text>({{data.popularity}})</text></div>
				</div>

js

onPageScroll(e) {
			this.scrollTop = e.scrollTop;
			console.log(e)
			this.getElInfo()
		},
getElInfo() {
				var that = this;
				let query = uni.createSelectorQuery().in(this);
				query.select('#userinfodesc2').boundingClientRect(data => {
					console.log('元素距离顶部的距离' + data.top)
					that.top = data.top
					// 这个 
				}).exec();
			},
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