cadena de consultas js
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
Embarrassed Elephant
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');function getUrlParameter(name) {
name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
var results = regex.exec(location.search);
return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
};const querystring = require('querystring');
const url = "http://example.com/index.html?code=string&key=12&id=false";
const qs = "code=string&key=12&id=false";
console.log(querystring.parse(qs));
// > { code: 'string', key: '12', id: 'false' }
console.log(querystring.parse(url));function getQuerystring(key) {
var query = window.location.search.substring(1);
var vars = query.split("&");
for (var i = 0; i < vars.length; i++) {
var pair = vars[i].split("=");
if (pair[0] == key) {
return pair[1];
}
}
}//Using query string to concat variable with string
const txt = "My name is"
console.log(`${txt} Paul`);serialize = function(obj) {
var str = [];
for (var p in obj)
if (obj.hasOwnProperty(p)) {
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
}
return str.join("&");
}
console.log(serialize({
foo: "hi there",
bar: "100%"
}));
// foo=hi%20there&bar=100%25