How to add a parameter to the URL in JavaScript ?
Given a URL and the task is to add an additional parameter (name & value) to the URL using JavaScript.
URL.searchParams: This readonly property of the URL interface returns a URLSearchParams object providing access to the GET decoded query arguments in the URL.
Syntax:
var URLSearchParams = URL.searchParams;
Example 1: This example adds the parameter by using append method.
<!DOCTYPE HTML> <html> <head> <title> How to add a parameter to the URL </title> </head> <body style = "text-align:center;"> <h1 style = "color:green;" > GeeksForGeeks </h1> <p id = "GFG_UP" style = "font-size: 15px; font-weight: bold;"> </p> <button onclick = "GFG_Fun()"> Add Parameter </button> <p id = "GFG_DOWN" style = "color:green; font-size: 20px; font-weight: bold;"> </p> <script> var up = document.getElementById('GFG_UP'); var url = new URL("https://www.geeksforgeeks.org"); up.innerHTML = url; var down = document.getElementById('GFG_DOWN'); function GFG_Fun() { url.searchParams.append('param_1', 'val_1'); down.innerHTML = url; } </script> </body> </html> |
Output:
-
Before clicking on the button:
-
After clicking on the button:
Example 2: This example adds the parameter by using set method.
<!DOCTYPE HTML> <html> <head> <title> How to add a parameter to the URL </title> </head> <body style = "text-align:center;"> <h1 style = "color:green;" > GeeksForGeeks </h1> <p id = "GFG_UP" style = "font-size: 15px; font-weight: bold;"> </p> <button onclick = "GFG_Fun()"> Add Parameter </button> <p id = "GFG_DOWN" style = "color:green; font-size: 20px; font-weight: bold;"> </p> <script> var up = document.getElementById('GFG_UP'); var url = new URL("https://www.geeksforgeeks.org"); up.innerHTML = url; var down = document.getElementById('GFG_DOWN'); function GFG_Fun() { url.searchParams.set('param_1', 'val_1'); down.innerHTML = url; } </script> </body> </html> |
Output:
-
Before clicking on the button:
-
After clicking on the button:
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