[Vuejs]-How to replace list indexes in Javascript?

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Destructure out tempmin, tempmax. Merge them back in as “Minimum…”

let forecasts = {
  tempmin: 5,
  tempmax: 10,
  blahblah: "x"
}

this.foreCasts = (({
  tempmin,
  tempmax,
  ...rest
}) => Object.assign(rest, {
  "Minimum Temperature": tempmin,
  "Maximum Temperature": tempmax
}))(forecasts);
console.log(this.foreCasts);

I prefer Object.assign, but you can also use spread syntax { ...rest, "Maximum Temperature": tempmin, "Maximum Temperature": tempmax }

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