js querystring code example
Example 1: javascript read query parameters
const queryString = window.location.search;
console.log(queryString);
const urlParams = new URLSearchParams(queryString);
const firstName = urlParams.get('fname');
console.log(firstName);
const lastName = urlParams.get('lname');
console.log(lastName);
Example 2: js query string
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));
console.log(querystring.parse(url));
Example 4: string to query string javascript
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%"
}));