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I am trying to fill the text field in Web WhatsApp using Javascript but it is not working according to my requirement.

I want to write the text in the text field and then click the Send button programmatically using JS.

Is that possible?

I tried following code in console,

document.getElementsByClassName('_2_1wd copyable-text selectable-text')[1].innerText = "hello this is test\\n"

ScreenShot enter image description here

It is writing in the text field but overlapping the existing placeholder and send button also doesn't show by trying programmatically.

Taurus Codes
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  • What was the error? What happened vs what did you expect to happen? – Dominik Mar 03 '21 at 06:39
  • It's likely going to be an input field which means `innerText` is the wrong API here. You will likely need `value` – Dominik Mar 03 '21 at 06:42
  • Try `document.getElementsByClassName('_2_1wd copyable-text selectable-text')[1].value = "hello this is test"` and use the `submit` event on the form to submit. – Dominik Mar 03 '21 at 06:44
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    Might need to notify the page, [example](https://stackoverflow.com/a/64096646). – wOxxOm Mar 03 '21 at 06:46
  • @Dominik, I tried by using 'value' but it doesn't work, because element is 'div' in its nature not an input field. – Taurus Codes Mar 03 '21 at 06:51
  • @TaurusCodes we won't be able to help you if we don't know the html of that page. Try to create a re-producible, self-contained example of your problem here on SO. Preferably use the code snippet function – Dominik Mar 03 '21 at 10:01

1 Answers1

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It is not advisable,

But you can do it by triggering events..

var inputEvent = new InputEvent('input', {
    bubbles: true,
    cancelable: true,
});
var clickEvent = new InputEvent('click', {
    bubbles: true,
    cancelable: true,
});

var selectableTextDiv = select that textDiv;
selectableTextDiv.innerText = "You desired Message";
selectableTextDiv.dispatchEvent(inputEvent)
// After triggeing input event.. you will see the send button
var sendButton = //selectThatButton
sendButton .dispatchEvent(clickEvent);

But as I mentioned above "It is not advisable"

Karthikeyan
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