Monday, 12 September 2011

jQuery Visibility Filter

This filter filters the element according to their visibility. Means it filters by either hidden or visible

Properties:


: hidden Selector
It filters all the element that are hidden .

Example :

<!DOCTYPE html>
<html>
<head>
<style>
div { width:70px; height:40px; background:#ee77ff; margin:5px; float:left; }
span { display:block; clear:left; color:red; }
.starthidden { display:none; }
</style>
<script src="jquery-1.4.2.js"></script>
</head>
<body>
<span></span>
<div></div>
<div style="display:none;">It was hidden! appears for 3000ms</div>
<div></div>
<div class="starthidden">It was Hidden! appears for 3000ms</div>
<div></div>
<form>
<input type="hidden" />
<input type="hidden" />
<input type="hidden" />
</form>
<span>
</span>
<script>
// in some browsers :hidden includes head, title, script, etc... so limit to body
$("span:first").text("Found " + $(":hidden", document.body).length +
" hidden elements total.");
$("div:hidden").show(3000);
$("span:last").text("Found " + $("input:hidden").length + " hidden inputs.");
</script>
</body>
</html>
Output :



: visible Selector
It filters all the elements that are visible .

Example :
 
<!DOCTYPE html>
<html>
<head>
<style>
div { width:50px; height:40px; margin:5px; border:3px outset green; float:left; }
.starthidden { display:none; }
</style>
<script src="jquery-1.4.2.js"></script>
</head>
<body>
<button>Show hidden to see they don't change</button>
<div></div>
<div class="starthidden"></div>
<div></div>

<div></div>
<div style="display:none;"></div>
<script>
$("div:visible").click(function () {
$(this).css("background", "yellow");
});
$("button").click(function () {
$("div:hidden").show("fast");
});

</script>
</body>
</html>

 Output : 

After execution :

After clicking each box :

 After clicking button :

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