Simulate a REAL HUMAN mouse click in pure javascript?

Question

I'm currently working on a chrome extension and the extension has to automate some process but in the page when I click the element some action performed but when I click the element programmatically with JavaScript nothing happens.

Does anyone know how to click it like real human ?

event.isTrusted // readonly property

but how can i make it as a event.isTrusted = true?

I think the website made some prevention method with the isTrusted property of the click event!

Epizoon

You can't simulate it with any in-browser API. You can write/use a separate utility that communicates with your extension via nativeMessaging API and sends a low-level mouse event using the API of the OS itself (e.g. WINAPI in Windows). – Dean

@wOxxOm if you don't mind can you give me some more info sir? – Epizoon

I don't have any more info so try searching for existing solutions or implement one yourself from ground up. – Dean

This approach doesn't change isTrusted property (since it is read only), but it might work. – Icehouse

@IvánNokonoko thanks a lot dude it works ! – Epizoon

Answer 1

From this answer:

Try with this code; it simulates a mouse left click on the element by a quick succession of mousedown, mouseup and click events fired in the center of the button:

var simulateMouseEvent = function(element, eventName, coordX, coordY) {
  element.dispatchEvent(new MouseEvent(eventName, {
    view: window,
    bubbles: true,
    cancelable: true,
    clientX: coordX,
    clientY: coordY,
    button: 0
  }));
};

var theButton = document.querySelector('ul form button');

var box = theButton.getBoundingClientRect(),
        coordX = box.left + (box.right - box.left) / 2,
        coordY = box.top + (box.bottom - box.top) / 2;

simulateMouseEvent (theButton, "mousedown", coordX, coordY);
simulateMouseEvent (theButton, "mouseup", coordX, coordY);
simulateMouseEvent (theButton, "click", coordX, coordY);

Claresta

Really helped in clicking an element when using Puppeteer. – Quin

I upvoted your answer using your code. I used this selector: #answer-55068681 > div > div.votecell.post-layout--left > div > button.js-vote-up-btn.flex--item.s-btn.s-btn__unset.c-pointer – Emmanuelemmeline

In Tampermonkey I got this message Uncaught TypeError: elemnt1.dispatchEvent is not a function – Imidazole

@HarisurRehman Hello, have you been able to simulate a human scroll in Puppeteer? I'm not sure that normal events will suffice. – Goodbye

@LeninZapata well scroll didn't give me any problem in the past. Traditional puppeteer code to scroll always worked for me. – Quin

@HarisurRehman Ok I'm going to try, I want to do everything possible to be undetectable – Goodbye

this doesn't work on an input element – Substrate