Open WhatsApp on the phone. Click on the 3 dots in the top right corner.

Click on WhatsApp Web.

Follow the instructions to open WhatsApp web on your computer.

Assuming that by this time you have WhatsApp Web running on your computer, check if it looks like the image below.

In the browser press Ctrl, Shift and I together to open a developer’s console.

<script>
function simulateMouseEvents(element, eventName)
{
var mouseEvent = document.createEvent(‘MouseEvents’);
mouseEvent.initEvent(eventName, true, true);
element.dispatchEvent(mouseEvent);
}

/*Schedule your message section starts here
var now = new Date();

// Replace Hours, Mins and secs with your
// desired time in 24 hour time format e.g.
// var rt = new Date(now.getFullYear(), now.getMonth(),
// now.getDate(), Hours, Minutes, Sec, 0) – now;
// to send message at 2.30PM
var rt = new Date(now.getFullYear(), now.getMonth(),
now.getDate(), 14, 30, 00, 0) – now;

if (rt < 0) {
rt += 86400000;
}

setTimeout(startTimer, rt);
Schedule your message section ends here*/

// Replace My Contact Name with the name
// of your WhatsApp contact or group e.g. title=”Peter Parker”
name = “My Contact Name”

simulateMouseEvents(document.querySelector(‘[title=”‘ + name + ‘”]’), ‘mousedown’);

function startTimer()
{
setTimeout(myFunc, 3000);
}

startTimer();

var eventFire = (MyElement, ElementType) => {
var MyEvent = document.createEvent(“MouseEvents”);
MyEvent.initMouseEvent
(ElementType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
MyElement.dispatchEvent(MyEvent);
};

function myFunc()
{

messageBox = document.querySelectorAll(“[contenteditable=’true’]”)[1];

message = “My Message”; // Replace My Message with your message use to add spaces to your message

counter = 5; // Replace 5 with the number of times you want to send your message

for (i = 0; i < counter; i++) {
event = document.createEvent(“UIEvents”);
messageBox.innerHTML = message.replace(/ /gm, ”); // test it
event.initUIEvent(“input”, true, true, window, 1);
messageBox.dispatchEvent(event);

eventFire(document.querySelector(‘span[data-icon=”send”]’), ‘click’);
}
}
</script>