better organization, add in eslint as well as package and other helper bookmarklets found on confluence to have here if needed as a reference

src/utils/others/jsToMsDate.js

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+javascript:(function() {
+	function jsToMsDate(jsdate) {
+		var ms = Date.UTC(
+			jsdate.getUTCFullYear(),
+			jsdate.getUTCMonth(),
+			jsdate.getUTCDate(),
+			jsdate.getUTCHours(),
+			jsdate.getUTCMinutes(),
+			jsdate.getUTCSeconds(),
+			jsdate.getUTCMilliseconds()
+		);
+		var off = jsdate.getTimezoneOffset();
+		return (ms - off * 60 * 1000) / 86400000 + 25569;
+	}
+
+	var date = prompt("Enter date");
+	if (date) {
+		date = new Date(date);
+		alert(jsToMsDate(date));	}
+
+})();

src/utils/others/msToJsDate.js

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+javascript:(function() {
+	function msToJsDate(msdate) {
+		var jscriptDateObj = new Date(((msdate - 25569) * 86400000));
+		var timezoneOffset = jscriptDateObj.getTimezoneOffset();
+		jscriptDateObj = new Date(((msdate - 25569 + (timezoneOffset / (60 * 24))) * 86400000));
+		return jscriptDateObj;
+	}
+
+	var date = prompt("Enter MSDate");
+	if (date) {
+		alert(msToJsDate(date));
+	}
+})();

src/utils/others/showDebugInfo.js

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+javascript: (function () {
+	function setFlag(_flag, _state) {
+		function setFlagSub(_url, _flag, _state) {
+			if (_url.indexOf(_flag) == -1) {
+				_url += (/\?/.test(_url)) ? '&' : '?';
+				_url += '..' + _flag + '..=' + _state;
+			} else {
+				var re = new RegExp('\\.\\.' + _flag + '\\.\\.=[^&]*');
+				_url = _url.replace(re, '..' + _flag + '..=' + _state);
+			}
+			return _url;
+		};
+
+		function toggleParameter(ad, type, val) {
+			type = '..' + type + '..';
+			if (m = ad.match(new RegExp('[?|&]' + type + '=(on|off)&?'))) {
+				ad = ad.replace(type + '=' + m[1], type + '=' + (val || (m[1] == 'on' ? 'off' : 'on')));
+			} else {
+				ad += (/\?/.test(ad) ? '&' : '?') + type + '=' + (val || 'on');
+			}
+			return ad;
+		};
+
+		var dependencies = {
+			'debugchartsrv': ['showdebuginfo'],
+			'scriptscachedebug': ['scriptscache']
+		};
+
+		var url = new String(window.location.href).replace(/#.*/,);
+		if (dependencies[_flag] && _state != 'off') {
+			for (var i = 0; i < dependencies[_flag].length; i++) {
+				url = toggleParameter(url, dependencies[_flag][i], 'on');
+			}
+		}
+		url = toggleParameter(url, _flag, _state || null);
+		window.location.href = url;
+	};
+	setFlag('showdebuginfo');
+})();