let query = wx.createSelectorQuery()
query.select(".beadsImage").boundingClientRect()
query.selectViewport().scrollOffset()
query.exec(function (res) {
size:res[0].width
})
let query = wx.createSelectorQuery()
query.select(".beadsImage").boundingClientRect()
query.selectViewport().scrollOffset()
query.exec(function (res) {
size:res[0].width
})
本文标题：小程序在js中获取某个元素的尺寸
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