jquery Basic Selector

<!DOCTYPE HTML><HTMLxmlns= "http://www.w3.org/1999/xhtml"><Head>    <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8" />    <Linkhref=".. /.. /css/2-5.css "rel= "stylesheet" />    <Scriptsrc=".. /.. /jquery/jquery-2.1.4.min.js "></Script>    <title>Basic Selector</title>    <Scripttype= "Text/javascript">        $(function () { //ID match element            $("#divOne"). CSS ("Display", "Block"); })        $(function () { //element name matching element            $("Div span"). CSS ("Display", "Block"); })        $(function () { //Class matching elements            $(". Clsframe. Clsone"). CSS ("Display", "Block"); })        //$ (function () {//Match all elements        //$ ("*"). CSS ("Display", "block");        //})        $(function () { //Merging matching elements            $("#divOne, span"). CSS ("Display", "Block"); })    </Script></Head><Body>    <Divclass= "Clsframe">        <DivID= "Divone">Id</Div>        <Divclass= "Clsone">CLASS</Div>        <span>SPAN</span>    </Div></Body></HTML>

jquery Basic Selector