reactjs - Cannot read property 'companyWebsite' of undefined

Question

if(companyDetailData.companyWebsite!== "" && companyDetailData.companyWebsite!== undefined && companyDetailData.companyWebsite!== null){ ^ var isWebsite = true; }

标签： reactjs

Answer 1

首先进行检查companyDetailData然后检查companyDetailData.companyWebsite。

像这样

if (!!companyDetailData && companyDetailData.companyWebsite) {
  var isWebsite = true;
}