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AutoClick

Hold ` key to repeatedly click element under mouse

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 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.

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

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        AutoClick
// @author      QtheConqueror
// @namespace   Automation
// @description Hold ` key to repeatedly click element under mouse
// @version     3.0
// @include     http:*
// @include     https:*
// @grant       none
// @license     GPL-3.0-or-later
// ==/UserScript==

var cps = 0; // Clicks per Second: 0 = as fast as possible

if (window.attachEvent) {
    document.attachEvent('onmousemove', mouseMv);
} else {
    document.addEventListener('mousemove', mouseMv, false);
}
document.addEventListener('keydown', keyDown);

var x, y;
var interval, timeout;
var rate = (cps ? 1000 / (cps / 3) : 0);

/**
 * Summary: Listens for mouse movement and exports position to variables x & y.
 * @param {Event} e 
 */
function mouseMv(e) {
    if (!e) e = window.event;

    if (typeof e.pageY == 'number') {
        x = e.pageX;
        y = e.pageY;
    } else {
        x = e.clientX;
        y = e.clientY;
    }
}

/**
 * Summary: Listens for keydown event
 * @param {Event} e 
 */
function keyDown(e) {``
    var char = e.key
    if (char == '`' || char == '~') {
        interval = setInterval(click, rate, x, y);
        timeout = setTimeout(clearInterval, 200, interval)
    }
}

/** 
 * Summary: Clicks element at positions (x, y) on document.
 * @param {number} x - X coordinate of document element.
 * @param {number} y - Y coordinate of document element.
 */
function click() {
    document.elementFromPoint(x, y).click();
}