Disable modal dialogs for automation

YouTube Annotation Ripper

Appends the each annotation text to a textbox box below the video for easy copying.
2014-08-08 या दिनांकाला. सर्वात नवीन आवृत्ती पाहा.
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// ==UserScript==
// @name         YouTube Annotation Ripper
// @namespace    D.D.
// @version      1.0
// @description  Appends the each annotation text to a textbox box below the video for easy copying.
// @include      *youtube.*/watch?v=*
// @copyright    2014+, RGSoftware
// @run-at       document-body
// @author       R.F Geraci
// @grant        GM_notification
// @icon64       http://icons.iconarchive.com/icons/simekonelove/modern-web/64/youtube-icon.png
// ==/UserScript==

var apParent, Anno, cDiv,i, txtbox, Interval,
    TextboxWidth, TextboxHeight, TextboxMargin,
    TextboxResize, TextboxBorder, TextboxOutline,
    InitialMsg, TextboxReadOnly, CompletedAnnotationNewClassName,
    MissingHTMLErrorMsg;

//=========================CUSTOM SETTINGS==========================================================

Interval = 1000;
TextboxWidth = "839px";
TextboxHeight = "75%";
TextboxMargin = "10px";
TextboxResize = "none";
TextboxBorder = "none";
TextboxOutline = "none";
TextboxReadOnly = "true";
InitialMsg = "̶̶̶̶̶̶̶̶̶═══════════════════════════ Any annotations from the video will show here as it plays ═══════════════════════════";
MissingHTMLErrorMsg = "A YouTube element is missing or has been renamed. 'YouTube Annotation Grabber' code must be updated.";
CompletedAnnotationNewClassName = "inner-done-text";

//===================================================================================================

function CreateElements(){
    apParent = document.getElementById('watch7-content');
    Anno = document.getElementsByClassName('inner-text');
    cDiv = document.createElement('div');
    cDiv.id = 'cDiv';
    cDiv.setAttribute('style', 'width: 100%; height: 100px; border-bottom: 1px solid #E6E6E6; border-top: 1px solid #E6E6E6;');
    apParent.insertBefore(cDiv, apParent.firstChild);
    
    txtbox = document.createElement('textarea');
    txtbox.id = 'cDivTxtBox';
    txtbox.innerHTML = InitialMsg;
    txtbox.setAttribute('readonly', TextboxReadOnly);
    txtbox.setAttribute('style', 'width: '+ TextboxWidth +';' + 'height: ' + TextboxHeight + ';' + 'margin: ' + TextboxMargin + ';'
                        + 'resize: ' +TextboxResize + ';' + 'border: ' + TextboxBorder + ';' + 'outline: ' + TextboxOutline + ';'); //height:75px
    cDiv.appendChild(txtbox);
}

function getAnno(){
    
    for (i=0; i<Anno.length; i++){
        
        if (Anno[i].innerHTML != ""){
            txtbox.value += "\n\n" + Anno[i].innerHTML; 
            Anno[i].className = CompletedAnnotationNewClassName;
        }
        
    }
}

function Tmsg(message, title){
    GM_notification(message, title);   
}

if (document.getElementById('watch7-content') == undefined){
    Tmsg(MissingHTMLErrorMsg, "YouTube Annotation Grabber Error");
}else{  
    CreateElements();
    window.setInterval(getAnno, Interval);
}