JAVASCRIPT

useSearchParams

// React Router v6: hook reads/modifies current location URL query str
import { useSearchParams } from 'react-router-dom'

function App() {
  let [searchParams, setSearchParams] = useSearchParams()

  const handleSubmit = e => {
    e.preventDefault()
    let params = serializeFormQuery(e.target)
      // assume 'serializeFormQuery()' creates an obj of { key: value }
      // pairs from fields in the form that make up the query
    setSearchParams(params)
  }

  return (
    <div>
      <form onSubmit={handleSubmit}>{/* ... */}</form>
    </div>
  );
}

useSearchParams()

import { useSearchParams } from 'react-router-dom'

function Mobile() {
    const [search,setSearch]=useSearchParams();
    const checkValue = search.get('filter') === 'active';
    console.log(checkValue);
  return (
    <div>
        <button onClick={()=>setSearch({filter: 'active'})}>Show Mobile Under 50K</button>
        <button onClick={()=> setSearch('')}>Show HighEnd Mobiles</button>

usesearchparams

import * as React from "react";
import { useSearchParams } from "react-router-dom";

function App() {
  let [searchParams, setSearchParams] = useSearchParams();

  function handleSubmit(event) {
    event.preventDefault();
    // The serialize function here would be responsible for
    // creating an object of { key: value } pairs from the
    // fields in the form that make up the query.
    let params = serializeFormQuery(event.target);
    setSearchParams(params);
  }

  return (
    <div>
      <form onSubmit={handleSubmit}>{/* ... */}</form>
    </div>
  );
}

usesearchparams react router

const [searchParams, setSearchParams] = useSearchParams({});
  setSearchParams({ hello: "world"  });
  console.log(searchParams);