function jQuery_fn_extend_getParent.js

jQuery.fn.extend({
	getParent: function(selector){

		if( typeof selector == 'string' ){

			//if number in string
			if( !!selector.match(/(\d|\.)/g) ){
				if( selector.length == selector.match(/(\d|\.)/g).length ){
					return $(this).getParent( Number(selector) );
				};
			};

			if( $(selector).is('html') ){
				return $('html');
			};

			let breakWhile = false,
				thisParent = $( $(this)[0] );

			while( breakWhile == false ){
				thisParent = thisParent.parent();
				if( thisParent.is('html') ){
					return $('html');
				};

				if( thisParent.is(selector) ){
					return thisParent;
					breakWhile = true;
				};
			};
		};

		let selectorString = (selector).toString();

		if( typeof selector == 'number' && !!selectorString.match(/\d/)  ){
			if( selectorString.match(/\d/).length == selectorString.length ){
			let max = selector < 1000 ? 1 : 0;
			if( max != 1 ){
				return $('html');
			};

			let thisParent = $( $(this)[0] );

			for( let i = -1; i < selector; i++ ){
				thisParent = thisParent.parent();
				if( thisParent.is('html') ){
					return thisParent;
				};
			};
			return thisParent;
			};
		};
		return false;

	}
});

function jQuery_fn_extend_getParent.min.js

"use strict";jQuery.fn.extend({getParent:function(t){if("string"==typeof t){if(t.match(/(\d|\.)/g)&&t.length==t.match(/(\d|\.)/g).length)return $(this).getParent(Number(t));if($(t).is("html"))return $("html");for(var r=!1,e=$($(this)[0]);0==r;){if((e=e.parent()).is("html"))return $("html");if(e.is(t))return e}}if("number"==typeof t&&t.toString().match(/\d/)){if(1!=(t<1e3?1:0))return $("html");for(var n=$($(this)[0]),i=-1;i<t;i++)if((n=n.parent()).is("html"))return n;return n}}});

Example:

$('body').getParent(1); //return $('html') parent
$('body').getParent('html'); //return $('html') parent

//if exist
$('span').getParent('body'); //return $('body') parent

//if exist
$('li').getParent(1); //return $('ul') parent
$('li').getParent('ul'); //return $('ul') parent

//if exist
$('.col-md-12').getParent(1); //return $('.row') parent
$('.col-md-12').getParent(2); //return $('.container') parent