const params = {lat: 35.681236, lng: 139.767125, zoom: 15};
new URLSearchParams(params).toString();
// "lat=35.681236&lng=139.767125&zoom=15"
// OR
const queryString = Object.keys(params).map(key => {
encodeURIComponent(key) + '=' + encodeURIComponent(params[key])
}).join('&');const obj = {foo: "hi there", bar: "100%" };
const params = new URLSearchParams(obj).toString();function objectToQueryString(obj) {
var str = [];
for (var p in obj)
if (obj.hasOwnProperty(p)) {
str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
}
return str.join("&");
}
var person = { first_name : "Marty",last_name : "Mcfly"};
var queryString=objectToQueryString(person); //"first_name=Marty&last_name=Mcfly"new URLSearchParams(object).toString()queryBuilder = function(obj, prefix) {
var str = [],
p;
for (p in obj) {
if (obj.hasOwnProperty(p)) {
var k = prefix ? prefix + "[" + p + "]" : p,
v = obj[p];
str.push((v !== null && typeof v === "object") ?
serialize(v, k) :
encodeURIComponent(k) + "=" + encodeURIComponent(v));
}
}
return str.join("&");
}
console.log(
serialize({
foo: "hi there",
bar: {
blah: 123,
quux: [1, 2, 3]
}
})
);