如何判断 微信小程序wx.getStorageSync("xx")的值是否为空

Question

如何判断 微信小程序wx.getStorageSync("xx")的值是否为空

Answer 1

javascript判断中为假false的值

 try {
  var value = wx.getStorageSync('key')
  if (value) {
      // Do something with return value
  }
} catch (e) {
  // Do something when catch error
}