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method URLSearchParams.prototype.forEach

Calls a function for each element contained in this object in place and return undefined. Optionally accepts an object to use as this when executing callback as second argument.

const params = new URLSearchParams([["a", "b"], ["c", "d"]]);
params.forEach((value, key, parent) => {
  console.log(value, key, parent);


callbackfn: (
value: string,
key: string,
parent: this,
) => void
thisArg: any