How to fill data to Facebook textbox with jQuery?

Question

I am trying to create an Chrome extension which can help me:

• Fill some data(text/link) to textbox of Facebook Group then click to Post( I mean: Post status Facebook using exention not using my hand)

• It's not a <textarea> so i can't use: $('textarea') to set value of that textbox.

Example:

Please help me! Thank so much

Answer 1

manifest

 "js": [
                "jquery.js",
                "script.js"
            ]

script.js

$("#body").val("testing123");

document.getElementById('body').value = 'testing123';

See details on how to implement the code here

There is another way using Chrome Extensions: Insert text into textfield when clicking button in pop-up