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jquery gets and loses focus change style

Source: Internet
Author: User
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The first: (When the text box gets the focus, its color changes, and when it loses focus, it reverts to its original appearance)

<HTML>    <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>    <Scripttype= "Text/javascript"src= "Jquery-1.11.3.js"></Script>    <styletype= "Text/css">Input:focus, Textarea:focus{Border:1px solid #f00;background:#fcc;        }    </style>    <Body>    <formAction="#"Method= "POST"ID= "RegForm">        <fieldset>            <legend>Personal basic information</legend>            <Div>                <label for= "username">Name:</label>                <inputID= "username"type= "text">            </Div>            <Div>                <label for= "Pass">Password:</label>                <inputID= "Pass"type= "Password">            </Div>            <Div>                <label for= "MSG">More information:</label>                <textareaID= "MSG"></textarea>            </Div>                    </fieldset>    </form></Body></HTML>

Just not compatible in IE

The second type of IE is compatible:

1 <HTML>2     <Metahttp-equiv= "Content-type"content= "text/html; charset=utf-8"/>3     <Scripttype= "Text/javascript"src= "Jquery-1.11.3.js"></Script>4     <styletype= "Text/css">5         6 . Focus{7 Border:1px solid #f00;8 background:#fcc;9         }Ten     </style> One      <Scripttype= "Text/javascript"> A         $(function(){ -             $(": Input"). Focus (function(){ -                 $( This). addclass ("Focus") the }). blur (function(){ -                 $( This). Removeclass ("Focus"); -             }) -         }) +          -      </Script> + <Body> A     <formAction="#"Method= "POST"ID= "RegForm"> at         <fieldset> -             <legend>Personal basic information</legend> -             <Div> -                 <label for= "username">Name:</label> -                 <inputID= "username"type= "text"> -             </Div> in             <Div> -                 <label for= "Pass">Password:</label> to                 <inputID= "Pass"type= "Password"> +             </Div> -             <Div> the                 <label for= "MSG">More information:</label> *                 <textareaID= "MSG"></textarea> $             </Div>Panax Notoginseng              -         </fieldset> the     </form> +  A </Body> the </HTML>

jquery gets and loses focus change style

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