new querystring() javascript 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: javascript get query parameter

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, ' '));
};

Example 3: new date() javascript

var date = new Date(); //Will use computers date by default.
//parameters will specify date you put to input
var date = new Date(year, month, day, hours, minutes, seconds, milliseconds);

Example 4: new map js

let utilisateurs = new Map()

utilisateurs.set('Mark Zuckerberg' ,{
    email: '[email protected]',
    poste: 'PDG',
})

utilisateurs.set ('bill Gates',{
    email: '[email protected]' ,
    poste : 'sauver le monde' ,

})
    
console.log(utilisateurs);