Set minimum font weight

Set the minimum font weight on a page, to make things readable

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         Set minimum font weight
// @namespace    http://md5-f3c5e23e69e2fa0b44e254d4548c5915.committed-identity.internal/setminimumfontweight
// @version      1.0
// @description  Set the minimum font weight on a page, to make things readable
// @author       Committed Identity MD5 f3c5e23e69e2fa0b44e254d4548c5915
// @copyright    Copyright (C) 2017 Committed Identity MD5 f3c5e23e69e2fa0b44e254d4548c5915
// @license      https://opensource.org/licenses/MIT
// @match        http://*/*
// @match        https://*/*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function() {
    'use strict';

    var minweight = 400;

    var all = document.getElementsByTagName("*");
    for (var i=0, max=all.length; i < max; i++) {
        var weight = parseFloat(window.getComputedStyle(all.item(i), null).getPropertyValue('font-weight'));
        if (weight < minweight) {
            all.item(i).style.fontWeight = minweight;
        }
    }

})();