27 lines
550 B
JavaScript
27 lines
550 B
JavaScript
Page({
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onShareAppMessage() {
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return {
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title: 'WXML节点布局相交状态',
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path: 'packageAPI/pages/intersection-observer/intersection-observer'
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}
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},
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data: {
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appear: false
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},
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onLoad() {
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this._observer = wx.createIntersectionObserver(this)
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this._observer
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.relativeTo('.scroll-view')
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.observe('.ball', (res) => {
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console.log(res)
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this.setData({
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appear: !this.data.appear
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})
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})
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},
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onUnload() {
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if (this._observer) this._observer.disconnect()
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}
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})
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