Js converts data

The json obtained by

is, for example,
`var tempData= [{

]
FieldDes:"",
FieldName:"Male",
Unit:"",
Value:4

}, {

FieldDes:"",
FieldName:"Female",
Unit:"",
Value:3

}] `;
how to use js to transform into a structure suitable for binding on the page?
for example, convert to

var tempData={Male:4,Female:3}
Mar.10,2021


var tempData = [
  {

    FieldDes: "",
    FieldName: "Male",
    Unit: "",
    Value: 4
  }, {

    FieldDes: "",
    FieldName: "Female",
    Unit: "",
    Value: 3
  }
]

let result = {}
tempData.forEach(item => result[item.FieldName] =item.Value)
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