JavaScript Tutorial/jQuery/one
Event executes once
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("h1").one("mouseenter mouseleave", function(e){
var str = "( " + e.pageX + ", " + e.pageY + " )";
$("h1").text(str);
});
}); </script>
</head> <body> <body>
header 1
</body>
</html></source>
one(type, data, fn): executed only once for each element
<source lang="javascript">
<html>
<head>
<script type="text/javascript" src="js/jquery-1.3.2.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("div").one("click", function(){
alert("clicked.");
});
}); </script>
<style>
div { width:50px; height:70px; float:left; margin:5px;
background:rgb(255,140,0); cursor:pointer; }
</style>
</head> <body> <body>
asdf
</body>
</html></source>
