jQuery.fn.init.exp.js

$.id = function(selector, context){
return new jQuery.prototype.init.id(selector, context);
};
$.html = function(selector, context){
return new jQuery.prototype.init.html(selector, context);
};

$.extend(
	jQuery.prototype.init,
	{
	id : function( selector, context, rootjQuery ) {
		var elem, doc;
		
		if ( !selector ) {
			return this;
		}else{
			elem = document.getElementById( selector );
			if ( elem && elem.parentNode ) {
				if ( elem.id !== selector ) {
					return rootjQuery.find( selector );
				}
				this.length = 1;
				this[0] = elem;
			}
			this.context = document;
			this.selector = selector;
		
			return this;
		}
	},
	html : function( selector, context) {
	    if ( typeof selector === "string" ) {
			if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
				match = [ null, selector, null ];

			} else {
				match = (/^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/).exec( selector );
			}
			if ( match && (match[1] || !context) ) {
				if ( match[1] ) {
					context = context instanceof jQuery ? context[0] : context;

					jQuery.merge( this, jQuery.parseHTML(
						match[1],
						context && context.nodeType ? context.ownerDocument || context : document,
						true
					) );

					if ( (/^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/).test( match[1] ) && jQuery.isPlainObject( context ) ) {
						for ( match in context ) {
							if ( jQuery.isFunction( this[ match ] ) ) {
								this[ match ]( context[ match ] );
							} else {
								this.attr( match, context[ match ] );
							}
						}
					}
					return this;
				}	
			}
		};
	}
	}
);

jQuery.fn.init.id.prototype = jQuery.fn.init.html.prototype = jQuery.fn;

//to use
console.dir(
	$.id('div')
);
console.dir(
	$.html('<div>',{id:'myId'})
);