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How to get a specific query string from the url in vanilla JavaScript?

I know that there are libraries that do this for me, but what’s the best way of achieving this without the use of a library?

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JavaScript

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@NathanCruzAug 12.2022 — The most modern and effective way in terms of performance is by using Javascript's Proxy:

const params = new Proxy(new URLSearchParams(window.location.search), {
get: (urlParams, queryStringKey) => urlParams.get(queryStringKey),
});
//to get the value of the key "my_key", just use params.my_key
let my_value = params.my_key
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