SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
<input id="myInput" type="text" />
<input id="myButton" type="button" value="Click me!" />

JavaScript

$("#myButton").click(function() {
   myFunction($("#myInput").val());
});
function myFunction(val) {
    alert("You entered: " + val);
}