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const getParameters = URL => JSON.parse(`{"${decodeURI(URL.split("?")[1]).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g, '":"')}"}`)
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const params = {
name: 'John Doe',
profession: 'Web Designer',
age: 29
}
const qs = '?' + new URLSearchParams(params).toString()
console.log(qs)
// ?name=John+Doe&profession=Web+Designer&age=29