Json formatter

try to take over the world!

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Json formatter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       RobinTsai
// @match        https://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

     var indentation = 4; // Change this to vary the indentation
     var pre = document.querySelector('body pre:only-of-type');  // https://developer.mozilla.org/zh-CN/docs/Web/CSS/:only-of-type

     if (!pre) return; // Don't do anything if this don't seem to be a json only document
     try {
         pre.innerHTML = JSON.stringify(JSON.parse(pre.innerHTML), null, indentation);
     } catch (e) {
         console.log(e);
     }
})();