error with my jquery file...

error with my jquery file...

i am new to jquery and i download the jquery 2.0 for my personal development but when i called the src file....and input a jquery function it won't work please i need help..


this is  the script code.....


<html>

<head>

<title>

testing jquery...

</title>

</head>

<body>

<script type="text/javascript" src="/var/www/jquery.js"></script>

<script type="text/javascript">

//alert ('akosua');





//alert($('#happy').html());

$("#blink").hide();

alert($(:input).val());

</script>

<div id="happy">

<p>haha</p>

<p>hahaha</p>

<marquee id="blink"> udeme is a great man </marquee>

<input type=text value=me />



</div>



</body>

</html>



















but the problem is it cannot parse any functions i send to it....please what can i do...