js get querystring code example
Example 1: javascript read query parameters
// example url: https://mydomain.com/?fname=johnny&lname=depp
const queryString = window.location.search;
console.log(queryString);
// ?fname=johnny&lname=depp
const urlParams = new URLSearchParams(queryString);
const firstName = urlParams.get('fname');
console.log(firstName);
// johnny
const lastName = urlParams.get('lname');
console.log(lastName);
// depp
Example 2: get query param javascript
const urlParams = new URLSearchParams(window.location.search);
const myParam = urlParams.get('myParam');
Example 3: get query string javascript nodejs
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));
Example 4: how to write query string js
//Using query string to concat variable with string
const txt = "My name is"
console.log(`${txt} Paul`);