In this section, we will learn what the URLSearchParams append() method is and how to use it in JavaScript.
JavaScript URLSearchParams append() Method
The `append()` method is used to add a new entry (key/value) to the end of a query that we’ve created via the `URLSearchParams` constructor.
URLSearchParams append() Method Syntax:
URLSearchParams.append(name, value)
URLSearchParams append() Method Parameter:
The method takes two arguments:
- The first argument is the key to the new parameter.
- The second argument is the value of the key.
URLSearchParams append() Method Return Value:
The method does not return a value.
Example: using URLSearchParams append() method in JavaScript
const searchParams = new URLSearchParams("?name=John&lastName=Doe&[email protected]&address=Mars");
searchParams.append("id","000000");
console.log(searchParams);
Output:
name=John&lastName=Doe&[email protected]&address=Mars&id=000000
