Method 1 Known fixed height
** Note that the initial value of scrollH is not equal to the height of the final display, if the component is encapsulated, onReady () **
onLoad() { // Obtain the height of the visible area, minus the fixed height uni.getSystemInfo({ success: res => { this.scrollH = res.windowHeight - uni.upx2px(82); } }); }, method two Get fixed height dynamically
onLoad() { this.$nextTick(function() { uni.getSystemInfo({ success: res => { const query = uni.createSelectorQuery().in(this); query.select('#scrollH').boundingClientRect( data => { // this.scrollH = `${data.height}px;`; console.log (data.height) }).exec(); } }); }) ; package