I have a variable lets say x like this
x = {
  choice1: {
    choice: {
      name: "choice1",
      text: "abc",
      key: "key1"
    }
    isChecked: true
  },
  choice2: {
    choice: {
      name: "choice2",
      text: "def ",
      key: "key2"
    }
    isChecked: false
  }.
  choice3: {
    choice: {
      name: "choice3",
      text: "ijk ",
      key: "key3"
    }
    isChecked: false
  }
}
I want to get the key for which isChecked is true
Thanks in advance for help
 
     
    