// http:localhost:8080/path?param_1=a&param_2=b
var getParamsMap = function () {
    var params = window.location.search.split("&");
    var paramsMap = {};
    params.forEach(function (p) {
        var v = p.split("=");
        paramsMap[v[0]]=decodeURIComponent(v[1]);
    });
    return paramsMap;
};

// -----------------------

console.log(getParamsMap()["param_1"]);  // should log "a"     

我尽可能喜欢速记：

网址：example.com/mortgage_calc.htm？pmts=120&intr=6.8&prin=10000

香草Javascript：

for ( var vObj = {}, i=0, vArr = window.location.search.substring(1).split('&');
        i < vArr.length; v = vArr[i++].split('='), vObj[v[0]] = v[1] ){}
// vObj = {pmts: "120", intr: "6.8", prin: "10000"}

ECMAScript 6解决方案：

var params = window.location.search
  .substring(1)
  .split("&")
  .map(v => v.split("="))
  .reduce((map, [key, value]) => map.set(key, decodeURIComponent(value)), new Map())

PHP parse_str copycat..：）

// Handles also array params well
function parseQueryString(query) {
    var pars = (query != null ? query : "").replace(/&+/g, "&").split('&'),
        par, key, val, re = /^([\w]+)\[(.*)\]/i, ra, ks, ki, i = 0,
        params = {};

    while ((par = pars.shift()) && (par = par.split('=', 2))) {
        key = decodeURIComponent(par[0]);
        // prevent param value going to be "undefined" as string
        val = decodeURIComponent(par[1] || "").replace(/\+/g, " ");
        // check array params
        if (ra = re.exec(key)) {
            ks = ra[1];
            // init array param
            if (!(ks in params)) {
                params[ks] = {};
            }
            // set int key
            ki = (ra[2] != "") ? ra[2] : i++;
            // set array param
            params[ks][ki] = val;
            // go on..
            continue;
        }
        // set param
        params[key] = val;
    }

    return params;
}

var query = 'foo=1&bar=The+bar!%20&arr[]=a0&arr[]=a1&arr[s]=as&isset&arr[]=last';
var params = parseQueryString(query);
console.log(params)
console.log(params.foo)        // 1
console.log(params.bar)        // The bar!
console.log(params.arr[0])     // a0
console.log(params.arr[1])     // a1
console.log(params.arr.s)      // as
console.log(params.arr.none)   // undefined
console.log("isset" in params) // true like: isset($_GET['isset'])



/*
// in php
parse_str('foo=1&bar=The+bar!%20&arr[]=a0&arr[]=a1&arr[s]=as&isset&arr[]=last', $query);
print_r($query);

Array
(
    [foo] => 1
    [bar] => The bar!
    [arr] => Array
        (
            [0] => a0
            [1] => a1
            [s] => as
            [2] => last
        )

    [isset] =>
)*/

一个内衬和IE11友好：

> (window.location.href).match('c=([^&]*)')[1]
> "m2-m3-m4-m5"

正如在最新浏览器的第一个答案中提到的，我们可以使用新的URL api，然而，获取对象中的所有参数并使用它们的更一致的本地javascript简单解决方案可能是

例如，该类表示locationUtil

const locationSearch = () => window.location.search;
const getParams = () => {
  const usefulSearch = locationSearch().replace('?', '');
  const params = {};
  usefulSearch.split('&').map(p => {
    const searchParam = p.split('=');
    const [key, value] = searchParam;
    params[key] = value;
    return params;
  });
  return params;
};

export const searchParams = getParams();

用法：：现在可以在类中导入searchParams对象

url示例---https://www.google.com?key1=https://www.linkedin.com/in/spiara/&valid=true

import { searchParams } from '../somewhere/locationUtil';

const {key1, valid} = searchParams;
if(valid) {
 console.log("Do Something");
 window.location.href = key1;
}