小程序Cannotreadproperty'mode'ofundefined

微信公开课小程序热门讨论关于「小程序Cannotreadproperty'mode'ofundefined」的小程序开发问题
补充:在开发者工具调取地址信息时（wxchooseAddress）报错当前Bug的表现（可附上截图）VM233:1appServiceSDKScriptErrorCannotreadpropertymodeofundefined;atapionAppEnterBackgroundcallbackfu
展开:在开发者工具调取地址信息时（wxchooseAddress）报错当前Bug的表现VM233:1appServiceSDKScriptErrorCannotreadpropertymodeofundefined;atapionAppEnterBackgroundcallbackfunctionTypeError:Cannotreadpropertymodeofundefined atBt<anonymous(http:127001:13823appservice__dev__WAServicejs:1:525987) atBtemit(http:127001:13823appservice__dev__WAServicejs:1:305615) atObjectemit(http:127001:13823appservice__dev__WAServicejs:1:324480) atBt<anonymous(http:127001:13823appservice__dev__WAServicejs:1:330528) atBtemit(http:127001:13823appservice__dev__WAServicejs:1:305657) atObjectemit(http:127001:13823appservice__dev__WAServicejs:1:324480) athttp:127001:13823appservice__dev__WAServicejs:1:325658 athttp:127001:13823appservice__dev__WAServicejs:1:262652 ate(http:127001:13823appserviceappservice?t=1547297845026:1598:2640) atnregisterCallbackt(http:127001:13823appserviceappservice?t=1547297845026:1598:2903)预期表现不应报错复现路径提供一个最简复现DemochooseAddress:function(){varthat=thiswxchooseAddress({success:function(res){vartrade_addr=resprovinceName+rescityName+rescountyName+resdetailInfo+resuserName+收电话:+restelNumber邮编:+respostalCodevarbuyerInfoStr={+userName:+resuserName+,+postalCode:+respostalCode+,+provinceName:+resprovinceName+,+cityName:+rescityName+,+countyName:+rescountyName+,+detailInfo:+resdetailInfo+,+ ationalCode:+resnationalCode+,+ elNumber:+restelNumber++}thatsetData({trade_addr:trade_addr,buyerInfo:JSONparse(buyerInfoStr)})consolelog(thatdatabuyerInfo)}})}即速小程序：希望尽快吧，强迫症看到bug咬牙启齿：嗯，开发者工具在v244和v250的基础库中只要发生切后台的行为，都会产生这个错误真机上不会产生这个错误我们会在下个基础库版本中进行修复
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